1 |
## compare_shells: bash dash mksh zsh ash
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2 |
## oils_failures_allowed: 0
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3 |
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4 |
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5 |
echo done
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6 |
## stdout: done
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7 |
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8 |
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9 |
if false; then
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10 |
echo THEN
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11 |
else
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12 |
echo ELSE
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fi
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## stdout: ELSE
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15 |
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16 |
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a=(1 2 3)
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(( a = 42 ))
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echo $a
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## stdout: 42
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21 |
## N-I dash/ash stdout-json: ""
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## N-I dash/ash status: 2
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23 |
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24 |
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25 |
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readonly x=1; x=2; echo hi
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27 |
## status: 1
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28 |
## OK dash/mksh/ash status: 2
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29 |
## STDOUT:
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30 |
## END
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31 |
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32 |
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readonly x=1
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x=2
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echo hi
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## status: 1
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37 |
## OK dash/mksh/ash status: 2
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38 |
## STDOUT:
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39 |
## END
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40 |
## BUG bash status: 0
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41 |
## BUG bash STDOUT:
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42 |
hi
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## END
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45 |
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set -o posix
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47 |
readonly x=1
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x=2
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echo hi
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## status: 1
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## OK dash/mksh/ash status: 2
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52 |
## STDOUT:
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## END
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54 |
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readonly x=1; unset x; echo hi
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## STDOUT:
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hi
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## END
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60 |
## OK dash/ash status: 2
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## OK zsh status: 1
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62 |
## OK dash/ash stdout-json: ""
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## OK zsh stdout-json: ""
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64 |
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65 |
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readonly x=1
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unset x
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echo hi
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## OK dash/ash status: 2
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## OK zsh status: 1
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## OK dash/ash stdout-json: ""
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## OK zsh stdout-json: ""
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73 |
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74 |
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75 |
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# Problem: $x() func call broke this error message
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foo$identity('z')
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78 |
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foo$[1+2]
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80 |
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echo DONE
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82 |
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## status: 2
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## OK mksh/zsh status: 1
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85 |
## STDOUT:
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## END
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87 |
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88 |
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foo$x() {
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90 |
echo hi
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}
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foo $x() {
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echo hi
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}
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96 |
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## status: 2
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## OK mksh/zsh status: 1
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99 |
## BUG zsh status: 0
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100 |
## STDOUT:
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101 |
## END
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102 |
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103 |
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104 |
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105 |
echo -e 'echo one \0 echo two' > tmp.sh
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$SH tmp.sh
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## STDOUT:
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108 |
one echo two
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## END
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110 |
## OK osh STDOUT:
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111 |
one
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112 |
## END
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113 |
## N-I dash stdout-json: ""
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114 |
## N-I dash status: 127
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115 |
## OK bash stdout-json: ""
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116 |
## OK bash status: 126
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117 |
## OK zsh stdout-json: "one \u0000echo two\n"
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118 |
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119 |
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case $SH in bash) exit ;; esac
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121 |
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x=$'\\D{%H:%M' # leave off trailing }
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123 |
echo x=${x@P}
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124 |
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125 |
## STDOUT:
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126 |
x=\D{%H:%M
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127 |
## END
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128 |
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129 |
# bash just ignores the missing }
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130 |
## BUG bash stdout-json: ""
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131 |
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# These shells don't understand @P
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133 |
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## N-I dash/ash stdout-json: ""
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135 |
## N-I dash/ash status: 2
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136 |
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## N-I zsh stdout-json: ""
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## N-I zsh status: 1
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139 |
|
140 |
|
141 |
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142 |
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143 |
# Inspired by https://blog.sunfishcode.online/bugs-in-hello-world/
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echo hi > /dev/full
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146 |
echo status=$?
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printf '%s\n' hi > /dev/full
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149 |
echo status=$?
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150 |
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## STDOUT:
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status=1
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153 |
status=1
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154 |
## END
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155 |
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type echo > /dev/full
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159 |
echo status=$?
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160 |
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# other random builtin
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ulimit -a > /dev/full
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163 |
echo status=$?
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164 |
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## STDOUT:
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status=1
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167 |
status=1
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168 |
## END
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169 |
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170 |
## BUG mksh/zsh STDOUT:
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status=0
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172 |
status=0
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## END
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174 |
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175 |
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176 |
# Ensures that spawning a subshell doesn't cause a seek on the file input stream
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177 |
# representing the current script (issue #1233).
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178 |
cat >tmp.sh <<'EOF'
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179 |
echo start
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180 |
(:)
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181 |
echo end
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182 |
EOF
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183 |
$SH tmp.sh
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184 |
## STDOUT:
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185 |
start
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end
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187 |
## END
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188 |
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189 |
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case $SH in (dash|mksh|ash) exit ;; esac
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191 |
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for (( n=0; n<(3-(1)); n++ )) ; do echo $n; done
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193 |
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## STDOUT:
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195 |
0
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196 |
1
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197 |
## END
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198 |
## N-I dash/mksh/ash STDOUT:
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199 |
## END
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200 |
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201 |
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202 |
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203 |
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case $SH in (dash|mksh|ash) exit ;; esac
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205 |
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206 |
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207 |
for (( n=0; n<(3- (1)); n++ )) ; do echo $n; done
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208 |
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209 |
## STDOUT:
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210 |
0
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211 |
1
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212 |
## END
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213 |
## N-I dash/mksh/ash STDOUT:
|
214 |
## END
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215 |
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216 |
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217 |
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218 |
mysed() {
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219 |
for line in "$@"; do
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echo "[$line]"
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done
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}
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223 |
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224 |
sedinputs="f1 f2"
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225 |
sedscript='my sed command'
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226 |
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# Parsed and evaluated correctly: with word_part.EscapedLiteral \"
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228 |
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x=$(eval "mysed -n \"\$sedscript\" $sedinputs")
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230 |
echo '--- $()'
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231 |
echo "$x"
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232 |
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# With backticks, the \" gets lost somehow
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234 |
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x=`eval "mysed -n \"\$sedscript\" $sedinputs"`
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236 |
echo '--- backticks'
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237 |
echo "$x"
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238 |
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239 |
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240 |
# Test it in a case statement
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241 |
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242 |
case `eval "mysed -n \"\$sedscript\" $sedinputs"` in
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243 |
(*'[my sed command]'*)
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244 |
echo 'NOT SPLIT'
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245 |
;;
|
246 |
esac
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247 |
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248 |
## STDOUT:
|
249 |
--- $()
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250 |
[-n]
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251 |
[my sed command]
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252 |
[f1]
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253 |
[f2]
|
254 |
--- backticks
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255 |
[-n]
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256 |
[my sed command]
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257 |
[f1]
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258 |
[f2]
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259 |
NOT SPLIT
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260 |
## END
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261 |
|
262 |
|
263 |
|
264 |
as_fn_arith ()
|
265 |
{
|
266 |
as_val=$(( $* ))
|
267 |
}
|
268 |
as_fn_arith 1 + 1
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269 |
echo $as_val
|
270 |
|
271 |
## STDOUT:
|
272 |
2
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273 |
## END
|
274 |
|
275 |
|
276 |
|
277 |
rm -f PWNED
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278 |
|
279 |
x='a[$(echo 42 | tee PWNED)]=1'
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280 |
echo $(( x ))
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281 |
|
282 |
if test -f PWNED; then
|
283 |
cat PWNED
|
284 |
else
|
285 |
echo NOPE
|
286 |
fi
|
287 |
|
288 |
## status: 1
|
289 |
## OK dash/ash status: 2
|
290 |
## stdout-json: ""
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291 |
## BUG bash/mksh/zsh status: 0
|
292 |
## BUG bash/mksh/zsh STDOUT:
|
293 |
1
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294 |
42
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295 |
## END
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296 |
|
297 |
|
298 |
|
299 |
rm -f PWNED
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300 |
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301 |
x='a[<(echo 42 | tee PWNED)]=1'
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302 |
echo $(( x ))
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303 |
|
304 |
if test -f PWNED; then
|
305 |
cat PWNED
|
306 |
else
|
307 |
echo NOPE
|
308 |
fi
|
309 |
|
310 |
## status: 1
|
311 |
## stdout-json: ""
|
312 |
|
313 |
## OK dash/ash status: 2
|
314 |
|
315 |
# bash keeps going
|
316 |
## BUG bash status: 0
|
317 |
## BUG bash STDOUT:
|
318 |
NOPE
|
319 |
## END
|
320 |
|
321 |
|
322 |
|
323 |
|
324 |
typeset -a a # for mksh
|
325 |
a=(42)
|
326 |
echo len=${#a[@]}
|
327 |
|
328 |
unset -v 'a[$(echo 0 | tee PWNED)]'
|
329 |
echo len=${#a[@]}
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330 |
|
331 |
if test -f PWNED; then
|
332 |
echo PWNED
|
333 |
cat PWNED
|
334 |
else
|
335 |
echo NOPE
|
336 |
fi
|
337 |
|
338 |
## status: 1
|
339 |
## STDOUT:
|
340 |
len=1
|
341 |
## END
|
342 |
|
343 |
## N-I dash/ash status: 2
|
344 |
## N-I dash/ash stdout-json: ""
|
345 |
|
346 |
## BUG bash/mksh status: 0
|
347 |
## BUG bash/mksh STDOUT:
|
348 |
len=1
|
349 |
len=0
|
350 |
PWNED
|
351 |
0
|
352 |
## END
|
353 |
|
354 |
## BUG zsh status: 0
|
355 |
## BUG zsh STDOUT:
|
356 |
len=1
|
357 |
len=1
|
358 |
PWNED
|
359 |
0
|
360 |
## END
|
361 |
|
362 |
|
363 |
|
364 |
# from Koiche on Zulip
|
365 |
|
366 |
printf '%x\n' 2147483648
|
367 |
printf '%u\n' 2147483648
|
368 |
## STDOUT:
|
369 |
80000000
|
370 |
2147483648
|
371 |
## END
|
372 |
|
373 |
|
374 |
|
375 |
# from Koiche on Zulip
|
376 |
|
377 |
case $SH in dash|ash) exit ;; esac
|
378 |
|
379 |
(( 1 << 32 ))
|
380 |
echo status=$?
|
381 |
|
382 |
(( 1 << 32 )) && echo yes
|
383 |
|
384 |
## STDOUT:
|
385 |
status=0
|
386 |
yes
|
387 |
## END
|
388 |
|
389 |
## N-I dash/ash STDOUT:
|
390 |
## END
|