| 1 | ## compare_shells: bash 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-2 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 | # Note on bug in bash 4.3 to bash 5.0
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| 75 | # [global,tempenv,local,(unset)] v: global
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| 76 | # [global,tempenv,local,(unlocal)] v: global
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| 77 |
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| 78 | ## OK osh/mksh/yash STDOUT:
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| 79 | # always-cell-unset
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| 80 | # local-unset = cell-unset
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| 81 | # dynamic-unset = cell-unset
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| 82 | [global,tempenv,local,(unset)] v: tempenv
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| 83 | [global,tempenv,local,(unlocal)] v: tempenv
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| 84 | ## END
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| 85 |
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| 86 | ## OK-2 zsh/ash/dash STDOUT:
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| 87 | # always-value-unset
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| 88 | # local-unset = value-unset
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| 89 | # dynamic-unset = value-unset
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| 90 | [global,tempenv,local,(unset)] v: (unset)
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| 91 | [global,tempenv,local,(unlocal)] v: (unset)
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| 92 | ## END
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| 93 |
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| 94 |
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| 95 | #### [bash_unset] local-unset / dynamic-unset for tempenv
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| 96 | unlocal() { unset -v "$1"; }
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| 97 |
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| 98 | f1() {
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| 99 | unset v
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| 100 | echo "[$1,(unset)] v: ${v-(unset)}"
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| 101 | }
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| 102 | v=global
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| 103 | v=tempenv f1 'global,tempenv'
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| 104 |
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| 105 | f1() {
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| 106 | unlocal v
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| 107 | echo "[$1,(unlocal)] v: ${v-(unset)}"
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| 108 | }
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| 109 | v=global
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| 110 | v=tempenv f1 'global,tempenv'
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| 111 |
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| 112 | ## STDOUT:
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| 113 | # always-cell-unset, bash-unset
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| 114 | # local-unset = cell-unset
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| 115 | # dynamic-unset = cell-unset
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| 116 | [global,tempenv,(unset)] v: global
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| 117 | [global,tempenv,(unlocal)] v: global
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| 118 | ## END
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| 119 |
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| 120 | ## OK zsh/ash/dash/mksh STDOUT:
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| 121 | # always-value-unset, mksh-unset
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| 122 | # local-unset = value-unset
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| 123 | # dynamic-unset = value-unset
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| 124 | [global,tempenv,(unset)] v: (unset)
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| 125 | [global,tempenv,(unlocal)] v: (unset)
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| 126 | ## END
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| 127 |
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| 128 | #### [bash_unset] function call with tempenv vs tempenv-eval
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| 129 | unlocal() { unset -v "$1"; }
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| 130 |
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| 131 | f5() {
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| 132 | echo "[$1] v: ${v-(unset)}"
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| 133 | local v
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| 134 | echo "[$1,local] v: ${v-(unset)}"
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| 135 | ( unset v
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| 136 | echo "[$1,local+unset] v: ${v-(unset)}" )
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| 137 | ( unlocal v
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| 138 | echo "[$1,local+unlocal] v: ${v-(unset)}" )
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| 139 | }
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| 140 | v=global
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| 141 | f5 'global'
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| 142 | v=tempenv f5 'global,tempenv'
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| 143 | v=tempenv eval 'f5 "global,tempenv,(eval)"'
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| 144 |
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| 145 | ## STDOUT:
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| 146 | # bash-unset (bash-5.1)
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| 147 | [global] v: global
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| 148 | [global,local] v: (unset)
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| 149 | [global,local+unset] v: (unset)
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| 150 | [global,local+unlocal] v: global
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| 151 | [global,tempenv] v: tempenv
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| 152 | [global,tempenv,local] v: tempenv
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| 153 | [global,tempenv,local+unset] v: (unset)
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| 154 | [global,tempenv,local+unlocal] v: global
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| 155 | [global,tempenv,(eval)] v: tempenv
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| 156 | [global,tempenv,(eval),local] v: tempenv
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| 157 | [global,tempenv,(eval),local+unset] v: (unset)
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| 158 | [global,tempenv,(eval),local+unlocal] v: tempenv
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| 159 | ## END
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| 160 |
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| 161 | # Note on bug in bash 4.3 to bash 5.0
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| 162 | # [global] v: global
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| 163 | # [global,local] v: (unset)
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| 164 | # [global,local+unset] v: (unset)
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| 165 | # [global,local+unlocal] v: global
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| 166 | # [global,tempenv] v: tempenv
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| 167 | # [global,tempenv,local] v: tempenv
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| 168 | # [global,tempenv,local+unset] v: global
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| 169 | # [global,tempenv,local+unlocal] v: global
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| 170 | # [global,tempenv,(eval)] v: tempenv
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| 171 | # [global,tempenv,(eval),local] v: tempenv
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| 172 | # [global,tempenv,(eval),local+unset] v: (unset)
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| 173 | # [global,tempenv,(eval),local+unlocal] v: tempenv
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| 174 |
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| 175 | ## OK-2 ash STDOUT:
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| 176 | # always-value-unset x init.unset
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| 177 | [global] v: global
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| 178 | [global,local] v: (unset)
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| 179 | [global,local+unset] v: (unset)
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| 180 | [global,local+unlocal] v: (unset)
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| 181 | [global,tempenv] v: tempenv
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| 182 | [global,tempenv,local] v: tempenv
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| 183 | [global,tempenv,local+unset] v: (unset)
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| 184 | [global,tempenv,local+unlocal] v: (unset)
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| 185 | [global,tempenv,(eval)] v: tempenv
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| 186 | [global,tempenv,(eval),local] v: (unset)
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| 187 | [global,tempenv,(eval),local+unset] v: (unset)
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| 188 | [global,tempenv,(eval),local+unlocal] v: (unset)
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| 189 | ## END
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| 190 |
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| 191 | ## OK-3 zsh STDOUT:
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| 192 | # always-value-unset x init.empty
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| 193 | [global] v: global
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| 194 | [global,local] v:
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| 195 | [global,local+unset] v: (unset)
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| 196 | [global,local+unlocal] v: (unset)
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| 197 | [global,tempenv] v: tempenv
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| 198 | [global,tempenv,local] v:
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| 199 | [global,tempenv,local+unset] v: (unset)
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| 200 | [global,tempenv,local+unlocal] v: (unset)
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| 201 | [global,tempenv,(eval)] v: tempenv
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| 202 | [global,tempenv,(eval),local] v:
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| 203 | [global,tempenv,(eval),local+unset] v: (unset)
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| 204 | [global,tempenv,(eval),local+unlocal] v: (unset)
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| 205 | ## END
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| 206 |
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| 207 | ## OK-4 dash STDOUT:
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| 208 | # always-value-unset x init.inherit
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| 209 | [global] v: global
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| 210 | [global,local] v: global
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| 211 | [global,local+unset] v: (unset)
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| 212 | [global,local+unlocal] v: (unset)
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| 213 | [global,tempenv] v: tempenv
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| 214 | [global,tempenv,local] v: tempenv
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| 215 | [global,tempenv,local+unset] v: (unset)
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| 216 | [global,tempenv,local+unlocal] v: (unset)
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| 217 | [global,tempenv,(eval)] v: tempenv
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| 218 | [global,tempenv,(eval),local] v: tempenv
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| 219 | [global,tempenv,(eval),local+unset] v: (unset)
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| 220 | [global,tempenv,(eval),local+unlocal] v: (unset)
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| 221 | ## END
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| 222 |
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| 223 | ## OK osh/yash/mksh STDOUT:
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| 224 | # always-cell-unset x init.unset
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| 225 | [global] v: global
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| 226 | [global,local] v: (unset)
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| 227 | [global,local+unset] v: global
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| 228 | [global,local+unlocal] v: global
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| 229 | [global,tempenv] v: tempenv
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| 230 | [global,tempenv,local] v: (unset)
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| 231 | [global,tempenv,local+unset] v: tempenv
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| 232 | [global,tempenv,local+unlocal] v: tempenv
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| 233 | [global,tempenv,(eval)] v: tempenv
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| 234 | [global,tempenv,(eval),local] v: (unset)
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| 235 | [global,tempenv,(eval),local+unset] v: tempenv
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| 236 | [global,tempenv,(eval),local+unlocal] v: tempenv
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| 237 | ## END
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| 238 |
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| 239 |
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| 240 | #### [bash_unset] localvar-inherit from tempenv
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| 241 | f1() {
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| 242 | local v
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| 243 | echo "[$1,(local)] v: ${v-(unset)}"
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| 244 | }
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| 245 | f2() {
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| 246 | f1 "$1,(func)"
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| 247 | }
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| 248 | f3() {
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| 249 | local v=local
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| 250 | f1 "$1,local,(func)"
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| 251 | }
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| 252 | v=global
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| 253 |
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| 254 | f1 'global'
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| 255 | v=tempenv f1 'global,tempenv'
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| 256 | (export v=global; f1 'xglobal')
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| 257 |
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| 258 | f2 'global'
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| 259 | v=tempenv f2 'global,tempenv'
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| 260 | (export v=global; f2 'xglobal')
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| 261 |
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| 262 | f3 'global'
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| 263 |
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| 264 | ## STDOUT:
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| 265 | # init.bash
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| 266 | # init.unset for local
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| 267 | # init.inherit for tempenv
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| 268 | [global,(local)] v: (unset)
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| 269 | [global,tempenv,(local)] v: tempenv
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| 270 | [xglobal,(local)] v: (unset)
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| 271 | [global,(func),(local)] v: (unset)
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| 272 | [global,tempenv,(func),(local)] v: tempenv
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| 273 | [xglobal,(func),(local)] v: (unset)
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| 274 | [global,local,(func),(local)] v: (unset)
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| 275 | ## END
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| 276 |
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| 277 | ## OK osh/mksh/yash STDOUT:
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| 278 | # init.unset
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| 279 | [global,(local)] v: (unset)
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| 280 | [global,tempenv,(local)] v: (unset)
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| 281 | [xglobal,(local)] v: (unset)
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| 282 | [global,(func),(local)] v: (unset)
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| 283 | [global,tempenv,(func),(local)] v: (unset)
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| 284 | [xglobal,(func),(local)] v: (unset)
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| 285 | [global,local,(func),(local)] v: (unset)
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| 286 | ## END
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| 287 |
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| 288 | ## OK-2 ash STDOUT:
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| 289 | # init.unset x tempenv-in-localctx
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| 290 | [global,(local)] v: (unset)
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| 291 | [global,tempenv,(local)] v: tempenv
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| 292 | [xglobal,(local)] v: (unset)
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| 293 | [global,(func),(local)] v: (unset)
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| 294 | [global,tempenv,(func),(local)] v: (unset)
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| 295 | [xglobal,(func),(local)] v: (unset)
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| 296 | [global,local,(func),(local)] v: (unset)
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| 297 | ## END
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| 298 |
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| 299 | ## OK-3 zsh STDOUT:
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| 300 | # init.empty
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| 301 | [global,(local)] v:
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| 302 | [global,tempenv,(local)] v:
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| 303 | [xglobal,(local)] v:
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| 304 | [global,(func),(local)] v:
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| 305 | [global,tempenv,(func),(local)] v:
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| 306 | [xglobal,(func),(local)] v:
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| 307 | [global,local,(func),(local)] v:
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| 308 | ## END
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| 309 |
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| 310 | ## OK-4 dash STDOUT:
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| 311 | # init.inherit
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| 312 | [global,(local)] v: global
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| 313 | [global,tempenv,(local)] v: tempenv
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| 314 | [xglobal,(local)] v: global
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| 315 | [global,(func),(local)] v: global
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| 316 | [global,tempenv,(func),(local)] v: tempenv
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| 317 | [xglobal,(func),(local)] v: global
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| 318 | [global,local,(func),(local)] v: local
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| 319 | ## END
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| 320 |
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| 321 |
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| 322 | #### [compat_array] ${arr} is ${arr[0]}
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| 323 | case ${SH##*/} in (dash|ash) exit 1;; esac # dash/ash does not have arrays
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| 324 | case ${SH##*/} in (osh) shopt -s compat_array;; esac
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| 325 | case ${SH##*/} in (zsh) setopt KSH_ARRAYS;; esac
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| 326 | arr=(foo bar baz)
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| 327 | argv.py "$arr" "${arr}"
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| 328 | ## stdout: ['foo', 'foo']
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| 329 |
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| 330 | ## N-I dash/ash status: 1
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| 331 | ## N-I dash/ash stdout-json: ""
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| 332 |
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| 333 | ## OK yash stdout: ['foo', 'bar', 'baz', 'foo', 'bar', 'baz']
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| 334 |
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| 335 | #### [compat_array] scalar write to arrays
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| 336 | case ${SH##*/} in
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| 337 | (dash|ash) exit 1;; # dash/ash does not have arrays
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| 338 | (osh) shopt -s compat_array;;
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| 339 | (zsh) setopt KSH_ARRAYS;;
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| 340 | esac
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| 341 |
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| 342 | a=(1 0 0)
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| 343 | : $(( a++ ))
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| 344 | argv.py "${a[@]}"
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| 345 | ## stdout: ['2', '0', '0']
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| 346 |
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| 347 | ## N-I dash/ash status: 1
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| 348 | ## N-I dash/ash stdout-json: ""
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| 349 |
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| 350 | ## OK yash STDOUT:
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| 351 | # yash does not support scalar access. Instead, it replaces the array
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| 352 | # with a scalar.
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| 353 | ['1']
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| 354 | ## END
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| 355 |
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| 356 | #### [compat_array] scalar write to associative arrays
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| 357 | case ${SH##*/} in
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| 358 | (dash|ash|yash|mksh) exit 1;; # dash/ash/yash/mksh does not have associative arrays
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| 359 | (osh) shopt -s compat_array;;
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| 360 | (zsh) setopt KSH_ARRAYS;;
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| 361 | esac
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| 362 |
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| 363 | declare -A d=()
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| 364 | d['0']=1
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| 365 | d['foo']=hello
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| 366 | d['bar']=world
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| 367 | ((d++))
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| 368 | argv.py ${d['0']} ${d['foo']} ${d['bar']}
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| 369 | ## stdout: ['2', 'hello', 'world']
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| 370 |
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| 371 | ## N-I dash/ash/yash/mksh status: 1
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| 372 | ## N-I dash/ash/yash/mksh stdout-json: ""
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| 373 |
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| 374 | ## N-I zsh stdout: ['1', 'hello', 'world']
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| 375 |
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| 376 | #### [compat_array] ${alpha@a}
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| 377 | declare -A alpha=(['1']=2)
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| 378 | echo type=${alpha@a}
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| 379 | shopt -s compat_array
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| 380 | echo type=${alpha@a}
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| 381 | ## STDOUT:
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| 382 | type=A
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| 383 | type=A
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| 384 | ## END
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| 385 | ## N-I mksh/zsh status: 1
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| 386 | ## N-I dash/ash/yash status: 2
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| 387 | ## N-I dash/ash/yash/mksh/zsh stdout-json: ""
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