| 1 | # Test extended glob matching with [[, case, etc.
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| 2 | 
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| 3 | #### @ matches exactly one
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| 4 | shopt -s extglob  # needed for Oil, not bash
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| 5 | [[ --verbose == --@(help|verbose) ]] && echo TRUE
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| 6 | [[ --oops == --@(help|verbose) ]] || echo FALSE
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| 7 | ## STDOUT:
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| 8 | TRUE
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| 9 | FALSE
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| 10 | ## END
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| 11 | 
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| 12 | #### @() with variable arms
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| 13 | shopt -s extglob  # needed for Oil, not bash
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| 14 | choice1='help'
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| 15 | choice2='verbose'
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| 16 | [[ --verbose == --@($choice1|$choice2) ]] && echo TRUE
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| 17 | [[ --oops == --@($choice1|$choice2) ]] || echo FALSE
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| 18 | ## STDOUT:
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| 19 | TRUE
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| 20 | FALSE
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| 21 | ## END
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| 22 | 
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| 23 | #### extglob in variable
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| 24 | shopt -s extglob
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| 25 | 
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| 26 | # this syntax requires extglob in bash!!
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| 27 | # OSH never allows it
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| 28 | g=--@(help|verbose)
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| 29 | 
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| 30 | quoted='--@(help|verbose)'
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| 31 | 
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| 32 | [[ --help == $g ]] && echo TRUE
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| 33 | [[ --verbose == $g ]] && echo TRUE
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| 34 | [[ -- == $g ]] || echo FALSE
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| 35 | [[ --help == $q ]] || echo FALSE
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| 36 | [[ -- == $q ]] || echo FALSE
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| 37 | ## STDOUT:
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| 38 | TRUE
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| 39 | TRUE
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| 40 | FALSE
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| 41 | FALSE
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| 42 | FALSE
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| 43 | ## END
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| 44 | ## N-I mksh STDOUT:
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| 45 | FALSE
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| 46 | FALSE
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| 47 | FALSE
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| 48 | ## END
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| 49 | ## OK osh status: 1
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| 50 | ## OK osh STDOUT:
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| 51 | ## END
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| 52 | 
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| 53 | #### Matching literal '@(cc)'
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| 54 | 
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| 55 | # extglob is OFF.  Doesn't affect bash or mksh!
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| 56 | [[ cc == @(cc) ]] 
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| 57 | echo status=$?
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| 58 | [[ cc == '@(cc)' ]]
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| 59 | echo status=$?
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| 60 | 
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| 61 | shopt -s extglob
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| 62 | 
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| 63 | [[ cc == @(cc) ]]
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| 64 | echo status=$?
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| 65 | [[ cc == '@(cc)' ]]
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| 66 | echo status=$?
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| 67 | 
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| 68 | ## STDOUT:
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| 69 | status=0
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| 70 | status=1
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| 71 | status=0
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| 72 | status=1
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| 73 | ## END
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| 74 | 
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| 75 | #### nested @()
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| 76 | shopt -s extglob
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| 77 | pat='--@(help|verbose|no-@(long|short)-option)'
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| 78 | [[ --no-long-option == $pat ]] && echo TRUE
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| 79 | [[ --no-short-option == $pat ]] && echo TRUE
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| 80 | [[ --help == $pat ]] && echo TRUE
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| 81 | [[ --oops == $pat ]] || echo FALSE
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| 82 | ## STDOUT:
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| 83 | TRUE
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| 84 | TRUE
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| 85 | TRUE
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| 86 | FALSE
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| 87 | ## END
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| 88 | ## BUG mksh STDOUT:
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| 89 | FALSE
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| 90 | ## END
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| 91 | 
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| 92 | #### nested @() with quotes and vars
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| 93 | shopt -s extglob
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| 94 | prefix=no
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| 95 | [[ --no-long-option == --@(help|verbose|$prefix-@(long|short)-'option') ]] &&
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| 96 |   echo TRUE
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| 97 | ## STDOUT:
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| 98 | TRUE
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| 99 | ## END
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| 100 | 
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| 101 | #### ? matches 0 or 1
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| 102 | shopt -s extglob  # needed for Oil, not bash
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| 103 | [[ -- == --?(help|verbose) ]] && echo TRUE
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| 104 | [[ --oops == --?(help|verbose) ]] || echo FALSE
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| 105 | ## STDOUT:
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| 106 | TRUE
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| 107 | FALSE
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| 108 | ## END
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| 109 | 
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| 110 | #### + matches 1 or more
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| 111 | shopt -s extglob  # needed for Oil, not bash
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| 112 | [[ --helphelp == --+(help|verbose) ]] && echo TRUE
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| 113 | [[ -- == --+(help|verbose) ]] || echo FALSE
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| 114 | ## STDOUT:
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| 115 | TRUE
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| 116 | FALSE
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| 117 | ## END
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| 118 | 
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| 119 | #### * matches 0 or more
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| 120 | shopt -s extglob  # needed for Oil, not bash
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| 121 | [[ -- == --*(help|verbose) ]] && echo TRUE
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| 122 | [[ --oops == --*(help|verbose) ]] || echo FALSE
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| 123 | ## STDOUT:
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| 124 | TRUE
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| 125 | FALSE
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| 126 | ## END
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| 127 | 
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| 128 | #### simple repetition with *(foo) and +(Foo)
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| 129 | shopt -s extglob  # needed for Oil, not bash
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| 130 | [[ foofoo == *(foo) ]] && echo TRUE
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| 131 | [[ foofoo == +(foo) ]] && echo TRUE
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| 132 | ## STDOUT:
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| 133 | TRUE
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| 134 | TRUE
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| 135 | ## END
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| 136 | 
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| 137 | #### ! matches none
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| 138 | shopt -s extglob  # needed for Oil, not bash
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| 139 | [[ --oops == --!(help|verbose) ]] && echo TRUE
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| 140 | [[ --help == --!(help|verbose) ]] || echo FALSE
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| 141 | ## STDOUT:
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| 142 | TRUE
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| 143 | FALSE
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| 144 | ## END
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| 145 | 
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| 146 | #### match is anchored
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| 147 | shopt -s extglob  # needed for Oil, not bash
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| 148 | [[ foo_ == @(foo) ]] || echo FALSE
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| 149 | [[ _foo == @(foo) ]] || echo FALSE
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| 150 | [[ foo == @(foo) ]] && echo TRUE
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| 151 | ## STDOUT:
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| 152 | FALSE
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| 153 | FALSE
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| 154 | TRUE
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| 155 | ## END
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| 156 | 
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| 157 | #### repeated match is anchored
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| 158 | shopt -s extglob  # needed for Oil, not bash
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| 159 | [[ foofoo_ == +(foo) ]] || echo FALSE
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| 160 | [[ _foofoo == +(foo) ]] || echo FALSE
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| 161 | [[ foofoo == +(foo) ]] && echo TRUE
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| 162 | ## STDOUT:
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| 163 | FALSE
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| 164 | FALSE
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| 165 | TRUE
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| 166 | ## END
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| 167 | 
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| 168 | #### repetition with glob
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| 169 | shopt -s extglob  # needed for Oil, not bash
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| 170 | 
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| 171 | # NOTE that * means two different things here
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| 172 | [[ foofoo_foo__foo___ == *(foo*) ]] && echo TRUE
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| 173 | [[ Xoofoo_foo__foo___ == *(foo*) ]] || echo FALSE
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| 174 | ## STDOUT:
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| 175 | TRUE
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| 176 | FALSE
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| 177 | ## END
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| 178 | 
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| 179 | #### No brace expansion in ==
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| 180 | shopt -s extglob  # needed for Oil, not bash
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| 181 | 
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| 182 | [[ --X{a,b}X == --@(help|X{a,b}X) ]] && echo TRUE
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| 183 | [[ --oops == --@(help|X{a,b}X) ]] || echo FALSE
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| 184 | ## STDOUT:
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| 185 | TRUE
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| 186 | FALSE
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| 187 | ## END
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| 188 | 
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| 189 | #### adjacent extglob
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| 190 | shopt -s extglob  # needed for Oil, not bash
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| 191 | 
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| 192 | [[ --help == @(--|++)@(help|verbose) ]] && echo TRUE
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| 193 | [[ ++verbose == @(--|++)@(help|verbose) ]] && echo TRUE
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| 194 | ## STDOUT:
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| 195 | TRUE
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| 196 | TRUE
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| 197 | ## END
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| 198 | 
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| 199 | #### nested extglob
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| 200 | shopt -s extglob  # needed for Oil, not bash
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| 201 | 
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| 202 | [[ --help == --@(help|verbose=@(1|2)) ]] && echo TRUE
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| 203 | [[ --verbose=1 == --@(help|verbose=@(1|2)) ]] && echo TRUE
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| 204 | [[ --verbose=2 == --@(help|verbose=@(1|2)) ]] && echo TRUE
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| 205 | [[ --verbose == --@(help|verbose=@(1|2)) ]] || echo FALSE
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| 206 | ## STDOUT:
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| 207 | TRUE
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| 208 | TRUE
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| 209 | TRUE
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| 210 | FALSE
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| 211 | ## END
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| 212 | 
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| 213 | #### extglob empty string
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| 214 | shopt -s extglob
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| 215 | [[ '' == @(foo|bar) ]] || echo FALSE
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| 216 | [[ '' == @(foo||bar) ]] && echo TRUE
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| 217 | ## STDOUT:
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| 218 | FALSE
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| 219 | TRUE
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| 220 | ## END
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| 221 | 
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| 222 | #### extglob empty pattern
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| 223 | shopt -s extglob
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| 224 | [[ '' == @() ]] && echo TRUE
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| 225 | [[ '' == @(||) ]] && echo TRUE
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| 226 | [[ X == @() ]] || echo FALSE
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| 227 | [[ '|' == @(||) ]] || echo FALSE
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| 228 | ## STDOUT:
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| 229 | TRUE
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| 230 | TRUE
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| 231 | FALSE
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| 232 | FALSE
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| 233 | ## END
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| 234 | 
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| 235 | #### case with extglob
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| 236 | shopt -s extglob
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| 237 | for word in --help --verbose --unmatched -- -zxzx -; do
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| 238 |   case $word in
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| 239 |     --@(help|verbose) )
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| 240 |       echo A
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| 241 |       continue
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| 242 |       ;;
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| 243 |     ( --?(b|c) )
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| 244 |       echo B
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| 245 |       continue
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| 246 |       ;;
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| 247 |     ( -+(x|z) )
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| 248 |       echo C
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| 249 |       continue
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| 250 |       ;;
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| 251 |     ( -*(x|z) )
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| 252 |       echo D
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| 253 |       continue
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| 254 |       ;;
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| 255 |     *)
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| 256 |       echo U
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| 257 |       continue
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| 258 |       ;;
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| 259 |   esac
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| 260 | done
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| 261 | ## STDOUT:
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| 262 | A
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| 263 | A
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| 264 | U
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| 265 | B
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| 266 | C
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| 267 | D
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| 268 | ## END
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| 269 | 
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| 270 | #### [[ $x == !($str) ]]
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| 271 | shopt -s extglob
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| 272 | empty=''
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| 273 | str='x'
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| 274 | [[ $empty == !($str) ]] && echo TRUE  # test glob match
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| 275 | [[ $str == !($str) ]]   || echo FALSE
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| 276 | ## STDOUT:
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| 277 | TRUE
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| 278 | FALSE
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| 279 | ## END
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| 280 | 
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| 281 | #### Turning extglob on changes the meaning of [[ !(str) ]] in bash
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| 282 | empty=''
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| 283 | str='x'
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| 284 | [[ !($empty) ]]  && echo TRUE   # test if $empty is empty
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| 285 | [[ !($str) ]]    || echo FALSE  # test if $str is empty
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| 286 | shopt -s extglob  # mksh doesn't have this
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| 287 | [[ !($empty) ]]  && echo TRUE   # negated glob
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| 288 | [[ !($str) ]]    && echo TRUE   # negated glob
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| 289 | ## STDOUT:
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| 290 | TRUE
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| 291 | FALSE
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| 292 | TRUE
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| 293 | TRUE
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| 294 | ## END
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| 295 | ## OK mksh STDOUT:
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| 296 | TRUE
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| 297 | TRUE
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| 298 | TRUE
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| 299 | ## END
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| 300 | 
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| 301 | #  osh fails with runtime error
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| 302 | ## OK osh status: 1
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| 303 | ## OK osh STDOUT:
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| 304 | ## END
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| 305 | 
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| 306 | #### With extglob on, !($str) on the left or right of == has different meanings
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| 307 | shopt -s extglob
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| 308 | str='x'
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| 309 | [[ 1 == !($str) ]]  && echo TRUE   # glob match
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| 310 | 
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| 311 | ## STDOUT:
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| 312 | TRUE
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| 313 | ## END
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| 314 | 
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| 315 | #### extglob inside arg word
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| 316 | shopt -s extglob
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| 317 | [[ foo == @(foo|bar) ]] && echo TRUE
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| 318 | [[ foo == ${unset:-@(foo|bar)} ]] && echo TRUE
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| 319 | [[ fo == ${unset:-@(foo|bar)} ]] || echo FALSE
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| 320 | ## STDOUT:
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| 321 | TRUE
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| 322 | TRUE
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| 323 | FALSE
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| 324 | ## END
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| 325 | ## BUG mksh STDOUT:
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| 326 | TRUE
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| 327 | FALSE
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| 328 | ## END
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| 329 | ## OK osh status: 1
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| 330 | ## OK osh STDOUT:
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| 331 | TRUE
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| 332 | ## END
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| 333 | 
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| 334 | #### extglob is not detected in regex!
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| 335 | shopt -s extglob
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| 336 | [[ foo =~ ^@(foo|bar)$ ]] || echo FALSE
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| 337 | ## STDOUT:
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| 338 | FALSE
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| 339 | ## END
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| 340 | ## N-I mksh stdout-json: ""
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| 341 | ## N-I mksh status: 1
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| 342 | 
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| 343 | 
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| 344 | #### regular glob of single unicode char
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| 345 | shopt -s extglob
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| 346 | [[ __a__ == __?__ ]]
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| 347 | echo $?
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| 348 | [[ __μ__ == __?__ ]]
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| 349 | echo $?
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| 350 | ## STDOUT:
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| 351 | 0
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| 352 | 0
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| 353 | ## END
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| 354 | ## BUG mksh STDOUT:
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| 355 | 0
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| 356 | 1
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| 357 | ## END
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| 358 | 
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| 359 | #### extended glob of single unicode char
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| 360 | shopt -s extglob
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| 361 | [[ __a__ == @(__?__) ]]
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| 362 | echo $?
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| 363 | [[ __μ__ == @(__?__) ]]
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| 364 | echo $?
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| 365 | ## STDOUT:
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| 366 | 0
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| 367 | 0
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| 368 | ## END
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| 369 | ## BUG mksh STDOUT:
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| 370 | 0
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| 371 | 1
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| 372 | ## END
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| 373 | 
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| 374 | #### Extended glob in ${x//pat/replace}
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| 375 | # not supported in OSH due to GlobToERE() strategy for positional info
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| 376 | 
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| 377 | shopt -s extglob
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| 378 | x=foo.py
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| 379 | echo ${x//@(?.py)/Z}
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| 380 | ## STDOUT:
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| 381 | foZ
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| 382 | ## END
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| 383 | ## N-I osh status: 1
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| 384 | ## N-I osh stdout-json: ""
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| 385 | 
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| 386 | #### Extended glob in ${x%PATTERN}
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| 387 | 
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| 388 | shopt -s extglob
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| 389 | x=foo.py
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| 390 | echo 'strip % ' ${x%.@(py|cc)}
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| 391 | echo 'strip %%' ${x%%.@(py|cc)}
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| 392 | echo 'strip # ' ${x#@(foo)}
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| 393 | echo 'strip ##' ${x##@(foo)}
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| 394 | 
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| 395 | ## STDOUT:
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| 396 | strip %  foo
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| 397 | strip %% foo
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| 398 | strip #  .py
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| 399 | strip ## .py
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| 400 | ## END
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