| 1 | ## compare_shells: bash-4.4 zsh mksh ash dash yash
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| 2 | 
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| 3 | #### [bash_unset] local-unset / dynamic-unset for localvar
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| 4 | unlocal() { unset -v "$1"; }
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| 5 | 
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| 6 | f1() {
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| 7 |   local v=local
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| 8 |   unset v
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| 9 |   echo "[$1,local,(unset)] v: ${v-(unset)}"
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| 10 | }
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| 11 | v=global
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| 12 | f1 global
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| 13 | 
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| 14 | f1() {
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| 15 |   local v=local
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| 16 |   unlocal v
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| 17 |   echo "[$1,local,(unlocal)] v: ${v-(unset)}"
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| 18 | }
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| 19 | v=global
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| 20 | f1 'global'
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| 21 | 
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| 22 | ## STDOUT:
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| 23 | # bash-unset
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| 24 | #   local-unset   = value-unset
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| 25 | #   dynamic-unset = cell-unset
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| 26 | [global,local,(unset)] v: (unset)
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| 27 | [global,local,(unlocal)] v: global
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| 28 | ## END
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| 29 | 
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| 30 | ## OK osh/mksh/yash STDOUT:
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| 31 | # always-cell-unset
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| 32 | #   local-unset   = cell-unset
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| 33 | #   dynamic-unset = cell-unset
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| 34 | [global,local,(unset)] v: global
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| 35 | [global,local,(unlocal)] v: global
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| 36 | ## END
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| 37 | 
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| 38 | ## OK zsh/ash/dash STDOUT:
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| 39 | # always-value-unset
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| 40 | #   local-unset   = value-unset
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| 41 | #   dynamic-unset = value-unset
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| 42 | [global,local,(unset)] v: (unset)
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| 43 | [global,local,(unlocal)] v: (unset)
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| 44 | ## END
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| 45 | 
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| 46 | 
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| 47 | #### [bash_unset] local-unset / dynamic-unset for localvar (mutated from tempenv)
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| 48 | unlocal() { unset -v "$1"; }
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| 49 | 
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| 50 | f1() {
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| 51 |   local v=local
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| 52 |   unset v
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| 53 |   echo "[$1,local,(unset)] v: ${v-(unset)}"
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| 54 | }
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| 55 | v=global
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| 56 | v=tempenv f1 'global,tempenv'
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| 57 | 
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| 58 | f1() {
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| 59 |   local v=local
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| 60 |   unlocal v
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| 61 |   echo "[$1,local,(unlocal)] v: ${v-(unset)}"
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| 62 | }
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| 63 | v=global
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| 64 | v=tempenv f1 'global,tempenv'
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| 65 | 
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| 66 | ## STDOUT:
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| 67 | # bash-unset (bash-5.1)
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| 68 | #   local-unset   = local-unset
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| 69 | #   dynamic-unset = cell-unset
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| 70 | [global,tempenv,local,(unset)] v: (unset)
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| 71 | [global,tempenv,local,(unlocal)] v: global
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| 72 | ## END
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| 73 | 
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| 74 | ## BUG bash STDOUT:
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| 75 | # bash-unset (bash-4.3..5.0 bug)
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| 76 | [global,tempenv,local,(unset)] v: global
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| 77 | [global,tempenv,local,(unlocal)] v: global
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| 78 | ## END
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| 79 | 
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| 80 | ## OK osh/mksh/yash STDOUT:
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| 81 | # always-cell-unset
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| 82 | #   local-unset   = cell-unset
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| 83 | #   dynamic-unset = cell-unset
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| 84 | [global,tempenv,local,(unset)] v: tempenv
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| 85 | [global,tempenv,local,(unlocal)] v: tempenv
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| 86 | ## END
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| 87 | 
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| 88 | ## OK zsh/ash/dash STDOUT:
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| 89 | # always-value-unset
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| 90 | #   local-unset   = value-unset
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| 91 | #   dynamic-unset = value-unset
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| 92 | [global,tempenv,local,(unset)] v: (unset)
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| 93 | [global,tempenv,local,(unlocal)] v: (unset)
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| 94 | ## END
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| 95 | 
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| 96 | 
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| 97 | #### [bash_unset] local-unset / dynamic-unset for tempenv
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| 98 | unlocal() { unset -v "$1"; }
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| 99 | 
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| 100 | f1() {
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| 101 |   unset v
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| 102 |   echo "[$1,(unset)] v: ${v-(unset)}"
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| 103 | }
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| 104 | v=global
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| 105 | v=tempenv f1 'global,tempenv'
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| 106 | 
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| 107 | f1() {
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| 108 |   unlocal v
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| 109 |   echo "[$1,(unlocal)] v: ${v-(unset)}"
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| 110 | }
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| 111 | v=global
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| 112 | v=tempenv f1 'global,tempenv'
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| 113 | 
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| 114 | ## STDOUT:
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| 115 | # always-cell-unset, bash-unset
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| 116 | #   local-unset   = cell-unset
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| 117 | #   dynamic-unset = cell-unset
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| 118 | [global,tempenv,(unset)] v: global
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| 119 | [global,tempenv,(unlocal)] v: global
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| 120 | ## END
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| 121 | 
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| 122 | ## OK zsh/ash/dash/mksh STDOUT:
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| 123 | # always-value-unset, mksh-unset
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| 124 | #   local-unset   = value-unset
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| 125 | #   dynamic-unset = value-unset
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| 126 | [global,tempenv,(unset)] v: (unset)
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| 127 | [global,tempenv,(unlocal)] v: (unset)
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| 128 | ## END
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| 129 | 
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| 130 | #### [bash_unset] function call with tempenv vs tempenv-eval
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| 131 | unlocal() { unset -v "$1"; }
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| 132 | 
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| 133 | f5() {
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| 134 |   echo "[$1] v: ${v-(unset)}"
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| 135 |   local v
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| 136 |   echo "[$1,local] v: ${v-(unset)}"
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| 137 |   ( unset v
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| 138 |     echo "[$1,local+unset] v: ${v-(unset)}" )
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| 139 |   ( unlocal v
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| 140 |     echo "[$1,local+unlocal] v: ${v-(unset)}" )
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| 141 | }
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| 142 | v=global
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| 143 | f5 'global'
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| 144 | v=tempenv f5 'global,tempenv'
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| 145 | v=tempenv eval 'f5 "global,tempenv,(eval)"'
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| 146 | 
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| 147 | ## STDOUT:
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| 148 | # bash-unset (bash-5.1)
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| 149 | [global] v: global
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| 150 | [global,local] v: (unset)
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| 151 | [global,local+unset] v: (unset)
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| 152 | [global,local+unlocal] v: global
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| 153 | [global,tempenv] v: tempenv
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| 154 | [global,tempenv,local] v: tempenv
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| 155 | [global,tempenv,local+unset] v: (unset)
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| 156 | [global,tempenv,local+unlocal] v: global
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| 157 | [global,tempenv,(eval)] v: tempenv
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| 158 | [global,tempenv,(eval),local] v: tempenv
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| 159 | [global,tempenv,(eval),local+unset] v: (unset)
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| 160 | [global,tempenv,(eval),local+unlocal] v: tempenv
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| 161 | ## END
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| 162 | 
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| 163 | ## BUG bash STDOUT:
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| 164 | # bash-unset (bash-4.3..5.0 bug)
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| 165 | [global] v: global
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| 166 | [global,local] v: (unset)
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| 167 | [global,local+unset] v: (unset)
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| 168 | [global,local+unlocal] v: global
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| 169 | [global,tempenv] v: tempenv
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| 170 | [global,tempenv,local] v: tempenv
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| 171 | [global,tempenv,local+unset] v: global
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| 172 | [global,tempenv,local+unlocal] v: global
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| 173 | [global,tempenv,(eval)] v: tempenv
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| 174 | [global,tempenv,(eval),local] v: tempenv
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| 175 | [global,tempenv,(eval),local+unset] v: (unset)
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| 176 | [global,tempenv,(eval),local+unlocal] v: tempenv
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| 177 | ## END
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| 178 | 
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| 179 | ## OK ash STDOUT:
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| 180 | # always-value-unset x init.unset
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| 181 | [global] v: global
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| 182 | [global,local] v: (unset)
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| 183 | [global,local+unset] v: (unset)
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| 184 | [global,local+unlocal] v: (unset)
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| 185 | [global,tempenv] v: tempenv
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| 186 | [global,tempenv,local] v: tempenv
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| 187 | [global,tempenv,local+unset] v: (unset)
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| 188 | [global,tempenv,local+unlocal] v: (unset)
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| 189 | [global,tempenv,(eval)] v: tempenv
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| 190 | [global,tempenv,(eval),local] v: (unset)
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| 191 | [global,tempenv,(eval),local+unset] v: (unset)
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| 192 | [global,tempenv,(eval),local+unlocal] v: (unset)
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| 193 | ## END
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| 194 | 
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| 195 | ## OK zsh STDOUT:
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| 196 | # always-value-unset x init.empty
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| 197 | [global] v: global
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| 198 | [global,local] v: 
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| 199 | [global,local+unset] v: (unset)
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| 200 | [global,local+unlocal] v: (unset)
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| 201 | [global,tempenv] v: tempenv
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| 202 | [global,tempenv,local] v: 
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| 203 | [global,tempenv,local+unset] v: (unset)
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| 204 | [global,tempenv,local+unlocal] v: (unset)
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| 205 | [global,tempenv,(eval)] v: tempenv
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| 206 | [global,tempenv,(eval),local] v: 
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| 207 | [global,tempenv,(eval),local+unset] v: (unset)
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| 208 | [global,tempenv,(eval),local+unlocal] v: (unset)
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| 209 | ## END
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| 210 | 
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| 211 | ## OK dash STDOUT:
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| 212 | # always-value-unset x init.inherit
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| 213 | [global] v: global
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| 214 | [global,local] v: global
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| 215 | [global,local+unset] v: (unset)
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| 216 | [global,local+unlocal] v: (unset)
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| 217 | [global,tempenv] v: tempenv
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| 218 | [global,tempenv,local] v: tempenv
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| 219 | [global,tempenv,local+unset] v: (unset)
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| 220 | [global,tempenv,local+unlocal] v: (unset)
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| 221 | [global,tempenv,(eval)] v: tempenv
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| 222 | [global,tempenv,(eval),local] v: tempenv
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| 223 | [global,tempenv,(eval),local+unset] v: (unset)
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| 224 | [global,tempenv,(eval),local+unlocal] v: (unset)
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| 225 | ## END
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| 226 | 
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| 227 | ## OK osh/yash/mksh STDOUT:
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| 228 | # always-cell-unset x init.unset
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| 229 | [global] v: global
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| 230 | [global,local] v: (unset)
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| 231 | [global,local+unset] v: global
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| 232 | [global,local+unlocal] v: global
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| 233 | [global,tempenv] v: tempenv
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| 234 | [global,tempenv,local] v: (unset)
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| 235 | [global,tempenv,local+unset] v: tempenv
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| 236 | [global,tempenv,local+unlocal] v: tempenv
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| 237 | [global,tempenv,(eval)] v: tempenv
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| 238 | [global,tempenv,(eval),local] v: (unset)
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| 239 | [global,tempenv,(eval),local+unset] v: tempenv
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| 240 | [global,tempenv,(eval),local+unlocal] v: tempenv
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| 241 | ## END
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| 242 | 
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| 243 | 
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| 244 | #### [bash_unset] localvar-inherit from tempenv
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| 245 | f1() {
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| 246 |   local v
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| 247 |   echo "[$1,(local)] v: ${v-(unset)}"
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| 248 | }
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| 249 | f2() {
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| 250 |   f1 "$1,(func)"
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| 251 | }
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| 252 | f3() {
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| 253 |   local v=local
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| 254 |   f1 "$1,local,(func)"
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| 255 | }
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| 256 | v=global
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| 257 | 
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| 258 | f1 'global'
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| 259 | v=tempenv f1 'global,tempenv'
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| 260 | (export v=global; f1 'xglobal')
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| 261 | 
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| 262 | f2 'global'
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| 263 | v=tempenv f2 'global,tempenv'
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| 264 | (export v=global; f2 'xglobal')
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| 265 | 
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| 266 | f3 'global'
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| 267 | 
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| 268 | ## STDOUT:
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| 269 | # init.bash
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| 270 | #   init.unset   for local
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| 271 | #   init.inherit for tempenv
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| 272 | [global,(local)] v: (unset)
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| 273 | [global,tempenv,(local)] v: tempenv
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| 274 | [xglobal,(local)] v: (unset)
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| 275 | [global,(func),(local)] v: (unset)
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| 276 | [global,tempenv,(func),(local)] v: tempenv
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| 277 | [xglobal,(func),(local)] v: (unset)
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| 278 | [global,local,(func),(local)] v: (unset)
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| 279 | ## END
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| 280 | 
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| 281 | ## OK osh/mksh/yash STDOUT:
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| 282 | # init.unset
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| 283 | [global,(local)] v: (unset)
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| 284 | [global,tempenv,(local)] v: (unset)
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| 285 | [xglobal,(local)] v: (unset)
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| 286 | [global,(func),(local)] v: (unset)
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| 287 | [global,tempenv,(func),(local)] v: (unset)
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| 288 | [xglobal,(func),(local)] v: (unset)
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| 289 | [global,local,(func),(local)] v: (unset)
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| 290 | ## END
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| 291 | 
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| 292 | ## OK ash STDOUT:
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| 293 | # init.unset x tempenv-in-localctx
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| 294 | [global,(local)] v: (unset)
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| 295 | [global,tempenv,(local)] v: tempenv
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| 296 | [xglobal,(local)] v: (unset)
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| 297 | [global,(func),(local)] v: (unset)
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| 298 | [global,tempenv,(func),(local)] v: (unset)
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| 299 | [xglobal,(func),(local)] v: (unset)
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| 300 | [global,local,(func),(local)] v: (unset)
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| 301 | ## END
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| 302 | 
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| 303 | ## OK zsh STDOUT:
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| 304 | # init.empty
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| 305 | [global,(local)] v: 
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| 306 | [global,tempenv,(local)] v: 
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| 307 | [xglobal,(local)] v: 
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| 308 | [global,(func),(local)] v: 
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| 309 | [global,tempenv,(func),(local)] v: 
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| 310 | [xglobal,(func),(local)] v: 
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| 311 | [global,local,(func),(local)] v: 
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| 312 | ## END
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| 313 | 
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| 314 | ## OK dash STDOUT:
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| 315 | # init.inherit
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| 316 | [global,(local)] v: global
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| 317 | [global,tempenv,(local)] v: tempenv
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| 318 | [xglobal,(local)] v: global
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| 319 | [global,(func),(local)] v: global
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| 320 | [global,tempenv,(func),(local)] v: tempenv
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| 321 | [xglobal,(func),(local)] v: global
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| 322 | [global,local,(func),(local)] v: local
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| 323 | ## END
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| 324 | 
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| 325 | 
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| 326 | #### [bash_unset] nested context by tempenv-eval
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| 327 | f1() {
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| 328 |   local v=local1
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| 329 |   echo "[$1,local1] v: ${v-(unset)}"
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| 330 |   v=tempenv2 eval '
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| 331 |     echo "[$1,local1,tempenv2,(eval)] v: ${v-(unset)}"
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| 332 |     local v=local2
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| 333 |     echo "[$1,local1,tempenv2,(eval),local2] v: ${v-(unset)}"
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| 334 |   '
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| 335 |   echo "[$1,local1] v: ${v-(unset)} (after)"
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| 336 | }
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| 337 | v=global
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| 338 | v=tempenv1 f1 global,tempenv1
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| 339 | 
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| 340 | ## STDOUT:
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| 341 | # localvar-nest yes
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| 342 | [global,tempenv1,local1] v: local1
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| 343 | [global,tempenv1,local1,tempenv2,(eval)] v: tempenv2
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| 344 | [global,tempenv1,local1,tempenv2,(eval),local2] v: local2
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| 345 | [global,tempenv1,local1] v: local1 (after)
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| 346 | ## END
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| 347 | 
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| 348 | ## OK mksh/ash/dash/yash STDOUT:
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| 349 | # localvar-nest no
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| 350 | [global,tempenv1,local1] v: local1
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| 351 | [global,tempenv1,local1,tempenv2,(eval)] v: tempenv2
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| 352 | [global,tempenv1,local1,tempenv2,(eval),local2] v: local2
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| 353 | [global,tempenv1,local1] v: local2 (after)
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| 354 | ## END
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| 355 | 
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| 356 | #### [bash_unset] local-unset / dynamic-unset for localvar on nested-context
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| 357 | unlocal() { unset -v "$1"; }
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| 358 | 
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| 359 | f2() {
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| 360 |   local v=local1
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| 361 |   v=tempenv2 eval '
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| 362 |     local v=local2
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| 363 |     (unset v  ; echo "[$1,local1,tempenv2,(eval),local2,(unset)] v: ${v-(unset)}")
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| 364 |     (unlocal v; echo "[$1,local1,tempenv2,(eval),local2,(unlocal)] v: ${v-(unset)}")
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| 365 |   '
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| 366 | }
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| 367 | v=global
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| 368 | v=tempenv1 f2 global,tempenv1
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| 369 | 
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| 370 | ## STDOUT:
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| 371 | # bash-unset (bash-5.1)
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| 372 | [global,tempenv1,local1,tempenv2,(eval),local2,(unset)] v: (unset)
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| 373 | [global,tempenv1,local1,tempenv2,(eval),local2,(unlocal)] v: local1
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| 374 | ## END
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| 375 | 
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| 376 | ## BUG bash STDOUT:
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| 377 | # bash-unset (bash-4.3..5.0 bug)
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| 378 | [global,tempenv1,local1,tempenv2,(eval),local2,(unset)] v: local1
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| 379 | [global,tempenv1,local1,tempenv2,(eval),local2,(unlocal)] v: local1
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| 380 | ## END
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| 381 | 
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| 382 | ## OK zsh/ash/dash STDOUT:
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| 383 | # always-value-unset
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| 384 | [global,tempenv1,local1,tempenv2,(eval),local2,(unset)] v: (unset)
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| 385 | [global,tempenv1,local1,tempenv2,(eval),local2,(unlocal)] v: (unset)
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| 386 | ## END
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| 387 | 
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| 388 | ## OK osh STDOUT:
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| 389 | # always-cell-unset x localvar-tempenv-share
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| 390 | [global,tempenv1,local1,tempenv2,(eval),local2,(unset)] v: local1
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| 391 | [global,tempenv1,local1,tempenv2,(eval),local2,(unlocal)] v: local1
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| 392 | ## END
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| 393 | 
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| 394 | ## OK mksh/yash STDOUT:
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| 395 | # always-cell-unset (remove all localvar/tempenv)
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| 396 | [global,tempenv1,local1,tempenv2,(eval),local2,(unset)] v: tempenv1
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| 397 | [global,tempenv1,local1,tempenv2,(eval),local2,(unlocal)] v: tempenv1
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| 398 | ## END
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| 399 | 
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| 400 | #### [bash_unset] dynamic-unset for nested localvars
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| 401 | unlocal() { unset -v "$1"; }
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| 402 | 
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| 403 | f3() {
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| 404 |   local v=local1
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| 405 |   v=tempenv2 eval '
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| 406 |     local v=local2
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| 407 |     v=tempenv3 eval "
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| 408 |       local v=local3
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| 409 |       echo \"[\$1/local1,tempenv2/local2,tempenv3/local3] v: \${v-(unset)}\"
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| 410 |       unlocal v
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| 411 |       echo \"[\$1/local1,tempenv2/local2,tempenv3/local3] v: \${v-(unset)} (unlocal 1)\"
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| 412 |       unlocal v
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| 413 |       echo \"[\$1/local1,tempenv2/local2,tempenv3/local3] v: \${v-(unset)} (unlocal 2)\"
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| 414 |       unlocal v
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| 415 |       echo \"[\$1/local1,tempenv2/local2,tempenv3/local3] v: \${v-(unset)} (unlocal 3)\"
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| 416 |       unlocal v
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| 417 |       echo \"[\$1/local1,tempenv2/local2,tempenv3/local3] v: \${v-(unset)} (unlocal 4)\"
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| 418 |     "
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| 419 |   '
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| 420 | }
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| 421 | v=global
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| 422 | v=tempenv1 f3 global,tempenv1
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| 423 | 
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| 424 | ## STDOUT:
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| 425 | # cell-unset x localvar-tempenv-share x tempenv-in-localctx
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| 426 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local3
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| 427 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local2 (unlocal 1)
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| 428 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local1 (unlocal 2)
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| 429 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: global (unlocal 3)
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| 430 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 4)
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| 431 | ## END
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| 432 | 
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| 433 | ## OK zsh/ash/dash STDOUT:
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| 434 | # value-unset
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| 435 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local3
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| 436 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 1)
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| 437 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 2)
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| 438 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 3)
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| 439 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 4)
 | 
| 440 | ## END
 | 
| 441 | 
 | 
| 442 | ## OK osh STDOUT:
 | 
| 443 | # cell-unset x localvar-tempenv-share
 | 
| 444 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local3
 | 
| 445 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local2 (unlocal 1)
 | 
| 446 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local1 (unlocal 2)
 | 
| 447 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: tempenv1 (unlocal 3)
 | 
| 448 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: global (unlocal 4)
 | 
| 449 | ## END
 | 
| 450 | 
 | 
| 451 | ## OK yash STDOUT:
 | 
| 452 | # cell-unset (remove all localvar)
 | 
| 453 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local3
 | 
| 454 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: tempenv1 (unlocal 1)
 | 
| 455 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: global (unlocal 2)
 | 
| 456 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 3)
 | 
| 457 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 4)
 | 
| 458 | ## END
 | 
| 459 | 
 | 
| 460 | ## OK mksh STDOUT:
 | 
| 461 | # cell-unset (remove all localvar/tempenv) x tempenv-value-unset
 | 
| 462 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local3
 | 
| 463 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: tempenv1 (unlocal 1)
 | 
| 464 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 2)
 | 
| 465 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 3)
 | 
| 466 | [global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 4)
 | 
| 467 | ## END
 | 
| 468 | 
 | 
| 469 | 
 | 
| 470 | #### [bash_unset] dynamic-unset for nested tempenvs
 | 
| 471 | unlocal() { unset -v "$1"; }
 | 
| 472 | 
 | 
| 473 | f4_unlocal() {
 | 
| 474 |   v=tempenv2 eval '
 | 
| 475 |     v=tempenv3 eval "
 | 
| 476 |       echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)}\"
 | 
| 477 |       unlocal v
 | 
| 478 |       echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unlocal 1)\"
 | 
| 479 |       unlocal v
 | 
| 480 |       echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unlocal 2)\"
 | 
| 481 |       unlocal v
 | 
| 482 |       echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unlocal 3)\"
 | 
| 483 |       unlocal v
 | 
| 484 |       echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unlocal 4)\"
 | 
| 485 |     "
 | 
| 486 |   '
 | 
| 487 | }
 | 
| 488 | v=global
 | 
| 489 | v=tempenv1 f4_unlocal global,tempenv1
 | 
| 490 | 
 | 
| 491 | ## STDOUT:
 | 
| 492 | [global,tempenv1,tempenv2,tempenv3] v: tempenv3
 | 
| 493 | [global,tempenv1,tempenv2,tempenv3] v: tempenv2 (unlocal 1)
 | 
| 494 | [global,tempenv1,tempenv2,tempenv3] v: tempenv1 (unlocal 2)
 | 
| 495 | [global,tempenv1,tempenv2,tempenv3] v: global (unlocal 3)
 | 
| 496 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 4)
 | 
| 497 | ## END
 | 
| 498 | 
 | 
| 499 | ## OK zsh/ash/dash/mksh STDOUT:
 | 
| 500 | # value-unset, mksh-unset
 | 
| 501 | [global,tempenv1,tempenv2,tempenv3] v: tempenv3
 | 
| 502 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 1)
 | 
| 503 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 2)
 | 
| 504 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 3)
 | 
| 505 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 4)
 | 
| 506 | ## END
 | 
| 507 | 
 | 
| 508 | ## OK osh STDOUT:
 | 
| 509 | # cell-unset
 | 
| 510 | [global,tempenv1,tempenv2,tempenv3] v: tempenv3
 | 
| 511 | [global,tempenv1,tempenv2,tempenv3] v: tempenv2 (unlocal 1)
 | 
| 512 | [global,tempenv1,tempenv2,tempenv3] v: tempenv1 (unlocal 2)
 | 
| 513 | [global,tempenv1,tempenv2,tempenv3] v: global (unlocal 3)
 | 
| 514 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 4)
 | 
| 515 | ## END
 | 
| 516 | 
 | 
| 517 | ## OK yash STDOUT:
 | 
| 518 | # remove all tempenv3
 | 
| 519 | [global,tempenv1,tempenv2,tempenv3] v: tempenv3
 | 
| 520 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 1)
 | 
| 521 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 2)
 | 
| 522 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 3)
 | 
| 523 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 4)
 | 
| 524 | ## END
 | 
| 525 | 
 | 
| 526 | #### [bash_unset] local-unset for nested tempenvs
 | 
| 527 | f4_unset() {
 | 
| 528 |   v=tempenv2 eval '
 | 
| 529 |     v=tempenv3 eval "
 | 
| 530 |       echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)}\"
 | 
| 531 |       unset v
 | 
| 532 |       echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unset 1)\"
 | 
| 533 |       unset v
 | 
| 534 |       echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unset 2)\"
 | 
| 535 |       unset v
 | 
| 536 |       echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unset 3)\"
 | 
| 537 |       unset v
 | 
| 538 |       echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unset 4)\"
 | 
| 539 |     "
 | 
| 540 |   '
 | 
| 541 | }
 | 
| 542 | v=global
 | 
| 543 | v=tempenv1 f4_unset global,tempenv1
 | 
| 544 | 
 | 
| 545 | ## STDOUT:
 | 
| 546 | [global,tempenv1,tempenv2,tempenv3] v: tempenv3
 | 
| 547 | [global,tempenv1,tempenv2,tempenv3] v: tempenv2 (unset 1)
 | 
| 548 | [global,tempenv1,tempenv2,tempenv3] v: tempenv1 (unset 2)
 | 
| 549 | [global,tempenv1,tempenv2,tempenv3] v: global (unset 3)
 | 
| 550 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 4)
 | 
| 551 | ## END
 | 
| 552 | 
 | 
| 553 | ## OK zsh/ash/dash/mksh/yash STDOUT:
 | 
| 554 | # value-unset, mksh-unset, tempenv-value-unset?
 | 
| 555 | [global,tempenv1,tempenv2,tempenv3] v: tempenv3
 | 
| 556 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 1)
 | 
| 557 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 2)
 | 
| 558 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 3)
 | 
| 559 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 4)
 | 
| 560 | ## END
 | 
| 561 | 
 | 
| 562 | ## OK osh STDOUT:
 | 
| 563 | # cell-unset
 | 
| 564 | [global,tempenv1,tempenv2,tempenv3] v: tempenv3
 | 
| 565 | [global,tempenv1,tempenv2,tempenv3] v: tempenv2 (unset 1)
 | 
| 566 | [global,tempenv1,tempenv2,tempenv3] v: tempenv1 (unset 2)
 | 
| 567 | [global,tempenv1,tempenv2,tempenv3] v: global (unset 3)
 | 
| 568 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 4)
 | 
| 569 | ## END
 | 
| 570 | 
 | 
| 571 | ## BUG yash STDOUT:
 | 
| 572 | # value-unset? inconsistent with other test cases
 | 
| 573 | [global,tempenv1,tempenv2,tempenv3] v: tempenv3
 | 
| 574 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 1)
 | 
| 575 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 2)
 | 
| 576 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 3)
 | 
| 577 | [global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 4)
 | 
| 578 | ## END
 | 
| 579 | 
 | 
| 580 | #### [compat_array] ${arr} is ${arr[0]}
 | 
| 581 | case ${SH##*/} in (dash|ash) exit 1;; esac # dash/ash does not have arrays
 | 
| 582 | case ${SH##*/} in (osh) shopt -s compat_array;; esac
 | 
| 583 | case ${SH##*/} in (zsh) setopt KSH_ARRAYS;; esac
 | 
| 584 | arr=(foo bar baz)
 | 
| 585 | argv.py "$arr" "${arr}"
 | 
| 586 | ## stdout: ['foo', 'foo']
 | 
| 587 | 
 | 
| 588 | ## N-I dash/ash status: 1
 | 
| 589 | ## N-I dash/ash stdout-json: ""
 | 
| 590 | 
 | 
| 591 | ## OK yash stdout: ['foo', 'bar', 'baz', 'foo', 'bar', 'baz']
 | 
| 592 | 
 | 
| 593 | #### [compat_array] scalar write to arrays
 | 
| 594 | case ${SH##*/} in
 | 
| 595 | (dash|ash) exit 1;; # dash/ash does not have arrays
 | 
| 596 | (osh) shopt -s compat_array;;
 | 
| 597 | (zsh) setopt KSH_ARRAYS;;
 | 
| 598 | esac
 | 
| 599 | 
 | 
| 600 | a=(1 0 0)
 | 
| 601 | : $(( a++ ))
 | 
| 602 | argv.py "${a[@]}"
 | 
| 603 | ## stdout: ['2', '0', '0']
 | 
| 604 | 
 | 
| 605 | ## N-I dash/ash status: 1
 | 
| 606 | ## N-I dash/ash stdout-json: ""
 | 
| 607 | 
 | 
| 608 | ## OK yash STDOUT:
 | 
| 609 | # yash does not support scalar access. Instead, it replaces the array
 | 
| 610 | # with a scalar.
 | 
| 611 | ['1']
 | 
| 612 | ## END
 | 
| 613 | 
 | 
| 614 | #### [compat_array] scalar write to associative arrays
 | 
| 615 | case ${SH##*/} in
 | 
| 616 | (dash|ash|yash|mksh) exit 1;; # dash/ash/yash/mksh does not have associative arrays
 | 
| 617 | (osh) shopt -s compat_array;;
 | 
| 618 | (zsh) setopt KSH_ARRAYS;;
 | 
| 619 | esac
 | 
| 620 | 
 | 
| 621 | declare -A d=()
 | 
| 622 | d['0']=1
 | 
| 623 | d['foo']=hello
 | 
| 624 | d['bar']=world
 | 
| 625 | ((d++))
 | 
| 626 | argv.py ${d['0']} ${d['foo']} ${d['bar']}
 | 
| 627 | ## stdout: ['2', 'hello', 'world']
 | 
| 628 | 
 | 
| 629 | ## N-I dash/ash/yash/mksh status: 1
 | 
| 630 | ## N-I dash/ash/yash/mksh stdout-json: ""
 | 
| 631 | 
 | 
| 632 | ## N-I zsh stdout: ['1', 'hello', 'world']
 | 
| 633 | 
 | 
| 634 | #### [compat_array] ${alpha@a}
 | 
| 635 | declare -A alpha=(['1']=2)
 | 
| 636 | echo type=${alpha@a}
 | 
| 637 | shopt -s compat_array
 | 
| 638 | echo type=${alpha@a}
 | 
| 639 | ## STDOUT:
 | 
| 640 | type=A
 | 
| 641 | type=A
 | 
| 642 | ## END
 | 
| 643 | ## N-I mksh/zsh status: 1
 | 
| 644 | ## N-I dash/ash/yash status: 2
 | 
| 645 | ## N-I dash/ash/yash/mksh/zsh stdout-json: ""
 |