mirror of
https://github.com/zdharma-continuum/zinit-module.git
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169 lines
3.4 KiB
Text
169 lines
3.4 KiB
Text
# Tests for command substitution.
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%prep
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mkdir cmdsubst.tmp
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touch cmdsubst.tmp/file{1,2}.txt
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%test
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foo="two words"
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print -l `echo $foo bar`
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0:Basic `...` substitution
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>two
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>words
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>bar
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foo="two words"
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print -l $(echo $foo bar)
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0:Basic $(...) substitution
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>two
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>words
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>bar
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foo='intricate buffoonery'
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print -l "`echo $foo and licentiousness`"
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0:Quoted `...` substitution
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>intricate buffoonery and licentiousness
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foo="more words"
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print -l "$(echo $foo here)"
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0:Quoted $(...) substitution
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>more words here
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# we used never to get this one right, but I think it is now...
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print -r "`print -r \\\\\\\\`"
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0:Stripping of backslasshes in quoted `...`
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>\\
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print -r "$(print -r \\\\\\\\)"
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0:Stripping of backslashes in quoted $(...)
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>\\\\
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fnify() { print \"$*\"; }
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print `fnify \`fnify understatement\``
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0:Nested `...`
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>""understatement""
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print $(fnify $(fnify overboard))
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0:Nested $(...)
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>""overboard""
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fructify() { print \'$*\'; }
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print "`fructify \`fructify indolence\``"
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0:Nested quoted `...`
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>''indolence''
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print "$(fructify $(fructify obtuseness))"
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0:Nested quoted $(...)
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>''obtuseness''
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gesticulate() { print \!$*\!; }
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print $((gesticulate wildly); gesticulate calmly)
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0:$(( ... ) ... ) is not arithmetic
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>!wildly! !calmly!
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commencify() { print +$*+; }
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print "$((commencify output); commencify input)"
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0:quoted $(( ... ) .. ) is not arithmetic
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>+output+
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>+input+
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(
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cd cmdsubst.tmp
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print first: ${$(print \*)}
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print second: ${~$(print \*)}
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print third: ${$(print *)}
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print fourth: "${~$(print \*)}"
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print fifth: ${~"$(print \*)"}
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)
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0:mixing $(...) with parameter substitution and globbing
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>first: *
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>second: file1.txt file2.txt
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>third: file1.txt file2.txt
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>fourth: *
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>fifth: file1.txt file2.txt
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$(exit 0) $(exit 3) || print $?
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0:empty command uses exit value of last substitution
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>3
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X=$(exit 2) $(exit 0) || print $?
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0:variable assignments processed after other substitutions
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>2
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false
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``
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0:Empty command substitution resets status
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false
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echo `echo $?`
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0:Non-empty command substitution inherits status
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>1
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echo $(( ##\" ))
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echo $(echo \")
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echo $((echo \"); echo OK)
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0:Handling of backslash double quote in parenthesised substitutions
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>34
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>"
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>" OK
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echo $(case foo in
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foo)
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echo This test worked.
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;;
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bar)
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echo This test failed in a rather bizarre way.
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;;
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*)
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echo This test failed.
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;;
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esac)
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0:Parsing of command substitution with unmatched parentheses: case, basic
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>This test worked.
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echo "$(case bar in
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foo)
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echo This test spoobed.
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;;
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bar)
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echo This test plurbled.
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;;
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*)
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echo This test bzonked.
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;;
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esac)"
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0:Parsing of command substitution with unmatched parentheses: case with quotes
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>This test plurbled.
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echo before $(
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echo start; echo unpretentious |
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while read line; do
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case $line in
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u*)
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print Word began with u
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print and ended with a crunch
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;;
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esac
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done | sed -e 's/Word/Universe/'; echo end
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) after
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0:Parsing of command substitution with ummatched parentheses: with frills
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>before start Universe began with u and ended with a crunch end after
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alias foo='echo $('
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eval 'foo echo this just works, OK\?)'
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0:backtracking within command string parsing with alias still pending
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>this just works, OK?
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(
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set errexit
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show_nargs() { print $#; }
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print a $() b
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print c "$()" d
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)
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0:Empty $() is a valid empty substitution.
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>a b
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>c d
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empty=$() && print "'$empty'"
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0:Empty $() is a valid assignment
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>''
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