| 1 | ## compare_shells: bash
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| 2 | ## oils_failures_allowed: 6
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| 3 |
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| 4 | # TODO: bash 5.2.21 with lower case
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| 5 |
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| 6 | #### Lower Case with , and ,,
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| 7 | x='ABC DEF'
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| 8 | echo ${x,}
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| 9 | echo ${x,,}
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| 10 | echo empty=${empty,}
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| 11 | echo empty=${empty,,}
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| 12 | ## STDOUT:
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| 13 | aBC DEF
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| 14 | abc def
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| 15 | empty=
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| 16 | empty=
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| 17 | ## END
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| 18 |
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| 19 | #### Upper Case with ^ and ^^
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| 20 | x='abc def'
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| 21 | echo ${x^}
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| 22 | echo ${x^^}
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| 23 | echo empty=${empty^}
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| 24 | echo empty=${empty^^}
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| 25 | ## STDOUT:
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| 26 | Abc def
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| 27 | ABC DEF
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| 28 | empty=
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| 29 | empty=
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| 30 | ## END
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| 31 |
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| 32 | #### Case folding - Unicode characters
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| 33 |
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| 34 | # https://www.utf8-chartable.de/unicode-utf8-table.pl
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| 35 |
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| 36 | x=$'\u00C0\u00C8' # upper grave
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| 37 | y=$'\u00E1\u00E9' # lower acute
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| 38 |
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| 39 | echo u ${x^}
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| 40 | echo U ${x^^}
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| 41 |
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| 42 | echo l ${x,}
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| 43 | echo L ${x,,}
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| 44 |
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| 45 | echo u ${y^}
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| 46 | echo U ${y^^}
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| 47 |
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| 48 | echo l ${y,}
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| 49 | echo L ${y,,}
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| 50 |
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| 51 | ## STDOUT:
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| 52 | u ÀÈ
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| 53 | U ÀÈ
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| 54 | l àÈ
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| 55 | L àè
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| 56 | u Áé
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| 57 | U ÁÉ
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| 58 | l áé
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| 59 | L áé
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| 60 | ## END
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| 61 |
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| 62 | #### Case folding - multi code point
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| 63 |
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| 64 | echo shell
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| 65 | small=$'\u00DF'
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| 66 | echo u ${small^}
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| 67 | echo U ${small^^}
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| 68 |
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| 69 | echo l ${small,}
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| 70 | echo L ${small,,}
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| 71 | echo
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| 72 |
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| 73 | echo python2
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| 74 | python2 -c '
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| 75 | small = u"\u00DF"
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| 76 | print(small.upper().encode("utf-8"))
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| 77 | print(small.lower().encode("utf-8"))
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| 78 | '
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| 79 | echo
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| 80 |
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| 81 | # Not in the container images, but python 3 DOES support it!
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| 82 | # This is moved to demo/survey-case-fold.sh
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| 83 |
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| 84 | if false; then
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| 85 | echo python3
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| 86 | python3 -c '
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| 87 | import sys
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| 88 | small = u"\u00DF"
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| 89 | sys.stdout.buffer.write(small.upper().encode("utf-8") + b"\n")
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| 90 | sys.stdout.buffer.write(small.lower().encode("utf-8") + b"\n")
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| 91 | '
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| 92 | fi
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| 93 |
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| 94 | if false; then
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| 95 | # Yes, supported
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| 96 | echo node.js
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| 97 |
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| 98 | nodejs -e '
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| 99 | var small = "\u00DF"
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| 100 | console.log(small.toUpperCase())
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| 101 | console.log(small.toLowerCase())
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| 102 | '
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| 103 | fi
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| 104 |
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| 105 | ## STDOUT:
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| 106 | ## END
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| 107 | ## BUG bash STDOUT:
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| 108 | shell
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| 109 | u ß
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| 110 | U ß
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| 111 | l ß
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| 112 | L ß
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| 113 |
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| 114 | python2
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| 115 | ß
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| 116 | ß
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| 117 |
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| 118 | ## END
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| 119 |
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| 120 | #### Case folding that depends on locale (not enabled, requires Turkish locale)
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| 121 |
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| 122 | # Hm this works in demo/survey-case-fold.sh
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| 123 | # Is this a bash 4.4 thing?
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| 124 |
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| 125 | #export LANG='tr_TR.UTF-8'
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| 126 | #echo $LANG
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| 127 |
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| 128 | x='i'
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| 129 |
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| 130 | echo u ${x^}
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| 131 | echo U ${x^^}
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| 132 |
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| 133 | echo l ${x,}
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| 134 | echo L ${x,,}
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| 135 |
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| 136 | ## OK bash/osh STDOUT:
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| 137 | u I
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| 138 | U I
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| 139 | l i
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| 140 | L i
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| 141 | ## END
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| 142 |
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| 143 | #### Lower Case with constant string (VERY WEIRD)
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| 144 | x='AAA ABC DEF'
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| 145 | echo ${x,A}
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| 146 | echo ${x,,A} # replaces every A only?
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| 147 | ## STDOUT:
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| 148 | aAA ABC DEF
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| 149 | aaa aBC DEF
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| 150 | ## END
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| 151 |
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| 152 | #### Lower Case glob
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| 153 |
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| 154 | # Hm with C.UTF-8, this does no case folding?
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| 155 | export LC_ALL=en_US.UTF-8
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| 156 |
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| 157 | x='ABC DEF'
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| 158 | echo ${x,[d-f]}
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| 159 | echo ${x,,[d-f]} # bash 4.4 fixed in bash 5.2.21
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| 160 | ## STDOUT:
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| 161 | ABC DEF
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| 162 | ABC DEF
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| 163 | ## END
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| 164 |
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| 165 | #### ${x@u} U L - upper / lower case (bash 5.1 feature)
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| 166 |
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| 167 | # https://www.gnu.org/software/bash/manual/html_node/Shell-Parameter-Expansion.html
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| 168 |
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| 169 | x='abc DEF'
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| 170 |
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| 171 | echo "${x@u}"
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| 172 |
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| 173 | echo "${x@U}"
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| 174 |
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| 175 | echo "${x@L}"
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| 176 |
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| 177 | ## STDOUT:
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| 178 | Abc DEF
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| 179 | ABC DEF
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| 180 | abc def
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| 181 | ## END
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| 182 |
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| 183 |
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| 184 | #### ${x@Q}
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| 185 | x="FOO'BAR spam\"eggs"
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| 186 | eval "new=${x@Q}"
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| 187 | test "$x" = "$new" && echo OK
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| 188 | ## STDOUT:
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| 189 | OK
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| 190 | ## END
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| 191 |
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| 192 | #### ${array@Q} and ${array[@]@Q}
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| 193 | array=(x 'y\nz')
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| 194 | echo ${array[@]@Q}
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| 195 | echo ${array@Q}
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| 196 | echo ${array@Q}
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| 197 | ## STDOUT:
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| 198 | 'x' 'y\nz'
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| 199 | 'x'
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| 200 | 'x'
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| 201 | ## END
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| 202 | ## OK osh STDOUT:
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| 203 | x $'y\\nz'
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| 204 | x
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| 205 | x
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| 206 | ## END
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| 207 |
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| 208 | #### ${!prefix@} ${!prefix*} yields sorted array of var names
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| 209 | ZOO=zoo
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| 210 | ZIP=zip
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| 211 | ZOOM='one two'
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| 212 | Z='three four'
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| 213 |
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| 214 | z=lower
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| 215 |
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| 216 | argv.py ${!Z*}
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| 217 | argv.py ${!Z@}
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| 218 | argv.py "${!Z*}"
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| 219 | argv.py "${!Z@}"
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| 220 | for i in 1 2; do argv.py ${!Z*} ; done
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| 221 | for i in 1 2; do argv.py ${!Z@} ; done
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| 222 | for i in 1 2; do argv.py "${!Z*}"; done
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| 223 | for i in 1 2; do argv.py "${!Z@}"; done
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| 224 | ## STDOUT:
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| 225 | ['Z', 'ZIP', 'ZOO', 'ZOOM']
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| 226 | ['Z', 'ZIP', 'ZOO', 'ZOOM']
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| 227 | ['Z ZIP ZOO ZOOM']
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| 228 | ['Z', 'ZIP', 'ZOO', 'ZOOM']
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| 229 | ['Z', 'ZIP', 'ZOO', 'ZOOM']
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| 230 | ['Z', 'ZIP', 'ZOO', 'ZOOM']
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| 231 | ['Z', 'ZIP', 'ZOO', 'ZOOM']
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| 232 | ['Z', 'ZIP', 'ZOO', 'ZOOM']
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| 233 | ['Z ZIP ZOO ZOOM']
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| 234 | ['Z ZIP ZOO ZOOM']
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| 235 | ['Z', 'ZIP', 'ZOO', 'ZOOM']
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| 236 | ['Z', 'ZIP', 'ZOO', 'ZOOM']
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| 237 | ## END
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| 238 |
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| 239 | #### ${!prefix@} matches var name (regression)
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| 240 | hello1=1 hello2=2 hello3=3
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| 241 | echo ${!hello@}
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| 242 | hello=()
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| 243 | echo ${!hello@}
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| 244 | ## STDOUT:
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| 245 | hello1 hello2 hello3
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| 246 | hello hello1 hello2 hello3
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| 247 | ## END
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| 248 |
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| 249 | #### ${var@a} for attributes
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| 250 | array=(one two)
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| 251 | echo ${array@a}
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| 252 | declare -r array=(one two)
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| 253 | echo ${array@a}
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| 254 | declare -rx PYTHONPATH=hi
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| 255 | echo ${PYTHONPATH@a}
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| 256 |
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| 257 | # bash and osh differ here
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| 258 | #declare -rxn x=z
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| 259 | #echo ${x@a}
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| 260 | ## STDOUT:
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| 261 | a
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| 262 | ar
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| 263 | rx
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| 264 | ## END
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| 265 |
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| 266 | #### ${var@a} error conditions
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| 267 | echo [${?@a}]
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| 268 | ## STDOUT:
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| 269 | []
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| 270 | ## END
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| 271 |
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| 272 | #### undef and @P @Q @a
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| 273 | $SH -c 'echo ${undef@P}'
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| 274 | echo status=$?
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| 275 | $SH -c 'echo ${undef@Q}'
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| 276 | echo status=$?
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| 277 | $SH -c 'echo ${undef@a}'
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| 278 | echo status=$?
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| 279 | ## STDOUT:
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| 280 |
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| 281 | status=0
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| 282 |
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| 283 | status=0
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| 284 |
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| 285 | status=0
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| 286 | ## END
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| 287 | ## OK osh STDOUT:
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| 288 |
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| 289 | status=0
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| 290 | ''
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| 291 | status=0
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| 292 |
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| 293 | status=0
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| 294 | ## END
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| 295 |
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| 296 |
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| 297 | #### argv array and @P @Q @a
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| 298 | $SH -c 'echo ${@@P}' dummy a b c
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| 299 | echo status=$?
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| 300 | $SH -c 'echo ${@@Q}' dummy a 'b\nc'
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| 301 | echo status=$?
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| 302 | $SH -c 'echo ${@@a}' dummy a b c
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| 303 | echo status=$?
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| 304 | ## STDOUT:
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| 305 | a b c
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| 306 | status=0
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| 307 | 'a' 'b\nc'
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| 308 | status=0
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| 309 |
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| 310 | status=0
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| 311 | ## END
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| 312 | ## OK osh STDOUT:
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| 313 | status=1
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| 314 | a $'b\\nc'
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| 315 | status=0
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| 316 | a
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| 317 | status=0
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| 318 | ## END
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| 319 |
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| 320 | #### assoc array and @P @Q @a
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| 321 |
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| 322 | # note: "y z" causes a bug!
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| 323 | $SH -c 'declare -A A=(["x"]="y"); echo ${A@P} - ${A[@]@P}'
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| 324 | echo status=$?
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| 325 |
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| 326 | # note: "y z" causes a bug!
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| 327 | $SH -c 'declare -A A=(["x"]="y"); echo ${A@Q} - ${A[@]@Q}'
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| 328 | echo status=$?
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| 329 |
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| 330 | $SH -c 'declare -A A=(["x"]=y); echo ${A@a} - ${A[@]@a}'
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| 331 | echo status=$?
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| 332 | ## STDOUT:
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| 333 | - y
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| 334 | status=0
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| 335 | - 'y'
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| 336 | status=0
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| 337 | A - A
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| 338 | status=0
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| 339 | ## END
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| 340 | ## OK osh STDOUT:
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| 341 | status=1
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| 342 | status=1
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| 343 | A - A
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| 344 | status=0
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| 345 | ## END
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| 346 |
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| 347 | #### ${!var[@]@X}
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| 348 | # note: "y z" causes a bug!
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| 349 | $SH -c 'declare -A A=(["x"]="y"); echo ${!A[@]@P}'
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| 350 | if test $? -ne 0; then echo fail; fi
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| 351 |
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| 352 | # note: "y z" causes a bug!
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| 353 | $SH -c 'declare -A A=(["x y"]="y"); echo ${!A[@]@Q}'
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| 354 | if test $? -ne 0; then echo fail; fi
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| 355 |
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| 356 | $SH -c 'declare -A A=(["x"]=y); echo ${!A[@]@a}'
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| 357 | if test $? -ne 0; then echo fail; fi
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| 358 | # STDOUT:
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| 359 |
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| 360 |
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| 361 |
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| 362 | # END
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| 363 | ## OK osh STDOUT:
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| 364 | fail
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| 365 | 'x y'
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| 366 | a
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| 367 | ## END
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| 368 |
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| 369 | #### ${#var@X} is a parse error
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| 370 | # note: "y z" causes a bug!
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| 371 | $SH -c 'declare -A A=(["x"]="y"); echo ${#A[@]@P}'
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| 372 | if test $? -ne 0; then echo fail; fi
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| 373 |
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| 374 | # note: "y z" causes a bug!
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| 375 | $SH -c 'declare -A A=(["x"]="y"); echo ${#A[@]@Q}'
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| 376 | if test $? -ne 0; then echo fail; fi
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| 377 |
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| 378 | $SH -c 'declare -A A=(["x"]=y); echo ${#A[@]@a}'
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| 379 | if test $? -ne 0; then echo fail; fi
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| 380 | ## STDOUT:
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| 381 | fail
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| 382 | fail
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| 383 | fail
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| 384 | ## END
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| 385 |
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| 386 | #### ${!A@a} and ${!A[@]@a}
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| 387 | declare -A A=(["x"]=y)
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| 388 | echo x=${!A[@]@a}
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| 389 | echo x=${!A@a}
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| 390 |
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| 391 | # OSH prints 'a' for indexed array because the AssocArray with ! turns into
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| 392 | # it. Disallowing it would be the other reasonable behavior.
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| 393 |
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| 394 | ## STDOUT:
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| 395 | x=
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| 396 | x=
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| 397 | ## END
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