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48 lines
1002 B
Fish
48 lines
1002 B
Fish
#RUN: %fish %s
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echo $(echo 1\n2)
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# CHECK: 1 2
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# Command substitution inside double quotes strips trailing newline.
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echo "a$(echo b)c"
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# CHECK: abc
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# Nesting
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echo "$(echo "$(echo a)")"
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# CHECK: a
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echo "$(echo $(echo b))"
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# CHECK: b
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echo "$(echo multiple).$(echo command).$(echo substitutions)"
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# CHECK: multiple.command.substitutions
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test -n "$()" || echo "empty list is interpolated to empty string"
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# CHECK: empty list is interpolated to empty string
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# Variables in command substitution output are not expanded.
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echo "$(echo \~ \$HOME)"
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# CHECK: ~ $HOME
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echo "$(printf %s 'quoted command substitution multiline output
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line 2
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line 3
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')"
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# CHECK: quoted command substitution multiline output
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# CHECK: line 2
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# CHECK: line 3
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echo trim any newlines "$(echo \n\n\n)" after cmdsub
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#CHECK: trim any newlines after cmdsub
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echo i{1, (echo 2), "$(echo 3)"}
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# CHECK: i1 i2 i3
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echo "$(echo index\nrange\nexpansion)[2]"
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#CHECK: range
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echo "$(echo '"')"
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#CHECK: "
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echo "$(echo $(echo 1) ())"
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#CHECK: 1
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