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# Test ${x/pat*/replace}
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# TODO: can add $BUSYBOX_ASH
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3 |
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## oils_failures_allowed: 2
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## compare_shells: bash mksh zsh
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v=abcde
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echo ${v/c*/XX}
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## stdout: abXX
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echo -${v/x/y}-
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echo status=$?
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set -o nounset # make sure this fails
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echo -${v/x/y}-
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## STDOUT:
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--
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status=0
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## BUG mksh STDOUT:
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# patsub disrespects nounset!
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--
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status=0
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--
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## status: 1
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## OK ash status: 2
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## BUG mksh status: 0
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s=xx_xx_xx
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echo ${s/xx?/yy_} ${s//xx?/yy_}
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## stdout: yy_xx_xx yy_yy_xx
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s=xx_xx_xx
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echo ${s/?xx/_yy} ${s/#?xx/_yy}
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## stdout: xx_yy_xx xx_xx_xx
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s=xx_xx_xx
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echo ${s/?xx/_yy} ${s/%?xx/_yy}
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## STDOUT:
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xx_yy_xx xx_xx_yy
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## END
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## BUG ash STDOUT:
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xx_yy_xx xx_xx_xx
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## END
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s=xx_xx
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echo ${s/xx/yy} ${s//xx/yy} ${s/#xx/yy} ${s/%xx/yy}
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## STDOUT:
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yy_xx yy_yy yy_xx xx_yy
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## END
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## BUG ash STDOUT:
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yy_xx yy_yy xx_xx xx_xx
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## END
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# If it were shortest, then you would just replace the first <html>
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s='begin <html></html> end'
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echo ${s/<*>/[]}
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## stdout: begin [] end
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s=xx_xx_xx
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echo ${s//[[:alpha:]]/y} ${s//[^[:alpha:]]/-}
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## stdout: yy_yy_yy xx-xx-xx
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## N-I mksh stdout: xx_xx_xx xx_xx_xx
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s='aa*bb+cc'
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echo ${s//\**+/__} # Literal *, then any sequence of characters, then literal +
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## stdout: aa__cc
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v=abcde
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echo -${v/}-
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echo status=$?
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## status: 0
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## STDOUT:
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-abcde-
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status=0
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## END
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## BUG ash STDOUT:
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-abcde -
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status=0
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## END
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v='a/b/c'
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echo -${v//}-
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echo status=$?
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## status: 0
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## STDOUT:
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-a/b/c-
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status=0
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## END
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## BUG ash STDOUT:
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-a/b/c -
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status=0
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## END
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x='/_/'
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echo ${x////c}
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echo ${x//'/'/c}
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## STDOUT:
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c_c
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c_c
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## END
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## BUG mksh STDOUT:
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/_/
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c_c
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## END
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## BUG zsh STDOUT:
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/c//c_/c/
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/_/
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## END
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## BUG ash STDOUT:
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c_c
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/_/ /c
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## END
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# found via test/parse-errors.sh
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x='slash / brace } hi'
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echo 'ambiguous:' ${x///}
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echo 'quoted: ' ${x//'/'}
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# Wow we have all combination here -- TERRIBLE
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## STDOUT:
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ambiguous: slash brace } hi
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quoted: slash brace } hi
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## END
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## BUG mksh STDOUT:
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ambiguous: slash / brace } hi
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quoted: slash brace } hi
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## END
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## BUG zsh STDOUT:
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ambiguous: slash / brace } hi
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quoted: slash / brace } hi
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## END
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## BUG ash STDOUT:
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ambiguous: slash brace } hi
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quoted: slash / brace } hi
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## END
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v='aabb'
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echo ${v/a}
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echo status=$?
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## STDOUT:
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abb
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status=0
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## END
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v=xx
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echo ${v/x/"?"}
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## stdout: ?x
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v='[\f]'
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x='\f'
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echo ${v/"$x"/_}
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# mksh and zsh differ on this case, but this is consistent with the fact that
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# \f as a glob means 'f', not '\f'. TODO: Warn that it's a bad glob?
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# The canonical form is 'f'.
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echo ${v/$x/_}
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echo ${v/\f/_}
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echo ${v/\\f/_}
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## STDOUT:
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[_]
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[\_]
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[\_]
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[_]
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## END
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## BUG mksh/zsh STDOUT:
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[_]
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[_]
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[\_]
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[_]
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## END
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v='--]--'
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x=']'
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echo ${v/"$x"/_}
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echo ${v/$x/_}
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## STDOUT:
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--_--
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--_--
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## END
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# INFINITE LOOP in ash!
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case $SH in ash) exit ;; esac
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g='*'
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v='a*b'
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echo ${v//"$g"/-}
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echo ${v//$g/-}
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## STDOUT:
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a-b
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-
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## END
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## BUG zsh STDOUT:
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a-b
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a-b
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## END
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export LANG='en_US.UTF-8'
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s='_μ_ and _μ_'
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# ? should match one char
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echo ${s//_?_/foo} # all
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echo ${s/#_?_/foo} # left
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echo ${s/%_?_/foo} # right
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## STDOUT:
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foo and foo
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foo and _μ_
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_μ_ and foo
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## END
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## BUG mksh STDOUT:
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_μ_ and _μ_
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_μ_ and _μ_
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_μ_ and _μ_
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## END
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export LC_ALL='C'
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s='_μ_ and _μ_'
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# ? should match one char
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echo ${s//_?_/foo} # all
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echo ${s/#_?_/foo} # left
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echo ${s/%_?_/foo} # right
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echo
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a='_x_ and _y_'
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echo ${a//_?_/foo} # all
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echo ${a/#_?_/foo} # left
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echo ${a/%_?_/foo} # right
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## STDOUT:
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_μ_ and _μ_
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_μ_ and _μ_
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_μ_ and _μ_
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foo and foo
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foo and _y_
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_x_ and foo
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## END
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x=abc
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echo ${x/^}
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echo ${x/!}
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y=^^^
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echo ${y/^}
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echo ${y/!}
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z=!!!
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echo ${z/^}
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echo ${z/!}
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s=a^b!c
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echo ${s/a^}
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echo ${s/b!}
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## STDOUT:
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abc
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abc
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^^
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^^^
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!!!
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!!
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b!c
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a^c
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## END
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# Not extended globs
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x='foo()'
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echo 1 ${x//*\(\)/z}
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echo 2 ${x//*\(\)/z}
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echo 3 ${x//\(\)/z}
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echo 4 ${x//*\(\)/z}
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## STDOUT:
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1 z
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2 z
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3 fooz
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4 z
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## END
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# from Crestwave's bf.bash
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program='^++--hello.,world<>[]'
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program=${program//[^'><+-.,[]']}
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echo $program
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## STDOUT:
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++--.,<>[]
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## END
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## BUG mksh STDOUT:
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helloworld
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## END
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# This is a PARSING divergence. In Oil we match [], rather than using POSIX
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# rules!
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335 |
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336 |
pat='[^]]'
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s='ab^cd^'
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echo ${s//$pat/z}
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## STDOUT:
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ab^cd^
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## END
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x=fooz
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pat='[z-a]' # Invalid range. Other shells don't catch it!
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#pat='[a-y]'
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echo ${x//$pat}
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echo status=$?
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## stdout-json: ""
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350 |
## status: 1
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351 |
## OK bash/mksh/zsh/ash STDOUT:
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352 |
fooz
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status=0
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## END
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## OK bash/mksh/zsh/ash status: 0
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x=-foo-
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echo ${x//$foo$bar/bar}
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|
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## STDOUT:
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365 |
-foo-
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## END
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# feels like memory unsafety in ZSH
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## BUG zsh STDOUT:
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370 |
bar-barfbarobarobar-
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## END
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372 |
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373 |
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case $SH in zsh) exit ;; esac
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HOST_PATH=/foo/bar/baz
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echo ${HOST_PATH////\\/}
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379 |
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# The way bash parses it
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381 |
echo ${HOST_PATH//'/'/\\/}
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382 |
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383 |
## STDOUT:
|
384 |
\/foo\/bar\/baz
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385 |
\/foo\/bar\/baz
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## END
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387 |
|
388 |
# zsh has crazy bugs
|
389 |
## BUG zsh stdout-json: ""
|
390 |
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## BUG mksh STDOUT:
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392 |
/foo/bar/baz
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393 |
\/foo\/bar\/baz
|
394 |
## END
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395 |
|
396 |
|
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|
398 |
|
399 |
path=~/git/oilshell
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# ~ expansion occurs
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402 |
#echo path=$path
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403 |
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echo ${path//~/z}
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|
406 |
echo ${path/~/z}
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407 |
|
408 |
## STDOUT:
|
409 |
z/git/oilshell
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410 |
z/git/oilshell
|
411 |
## END
|
412 |
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413 |
|