mirror of
https://github.com/fish-shell/fish-shell
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122 lines
3.2 KiB
Fish
122 lines
3.2 KiB
Fish
#RUN: %fish %s
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# Tests for importing named regex groups as fish variables
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# Invalid variable name?
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string match --regex -q '(?<FISH_VERSION>.*)' -- derp
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# CHECKERR: Modification of read-only variable "FISH_VERSION" is not allowed
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# Capture first match
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echo "hello world" | string match --regex -q -- '(?<words>[^ ]+) ?'
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printf "%s\n" $words
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# CHECK: hello
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# Capture multiple matches
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echo "hello world" | string match --regex -q --all -- '(?<words>[^ ]+) ?'
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printf "%s\n" $words
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# CHECK: hello
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# CHECK: world
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# Capture multiple variables
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echo "hello world"\n"snello snorld" | string match -rq -- '^(?<word1>[^ ]+) (?<word2>.*)$'
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printf "%s\n" $word1 $word2
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# CHECK: hello
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# CHECK: world
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# Clear variables on no match
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set foo foo
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echo foo | string match -rq -- '^(?<foo>bar)$'
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echo $foo
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# CHECK:
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# Named group may be empty in some of the matches
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set word
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set punctuation
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echo "hello world, boy!" | string match -a -qr -- '(?<word>[^ .,!;]+)(?<punctuation>[.,!;])?'
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echo $word
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# CHECK: hello world boy
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printf "%s\n" $punctuation
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# CHECK:
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# CHECK: ,
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# CHECK: !
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# Same thing with multiple arguments
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set word
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set punctuation
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printf '%s\n' "hello world, boy!" "shello shorld, shoy!" | string match -a -qr -- '(?<word>[^ .,!;]+)(?<punctuation>[.,!;])?'
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echo $word
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# CHECK: hello world boy
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printf "%s\n" $punctuation
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# CHECK:
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# CHECK: ,
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# CHECK: !
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# Verify read-only variables may not be imported
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echo hello | string match -rq "(?<version>.*)"
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# CHECKERR: Modification of read-only variable "version" is not allowed
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# Verify that the *first matching argument* is used.
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string match -rq '(?<bee>b.*)' -- aaa ba ccc be
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echo $bee
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# CHECK: ba
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# Verify the following regarding capture groups which are not matched:
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# 1. Set no values if --all is not provided
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# 2. Set an empty string value if --all is provided
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set -e nums
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set -e text
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string match -r '(?<nums>\d+)|(?<text>[a-z]+)' -- xyz
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# CHECK: xyz
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# CHECK: xyz
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set --show text
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# CHECK: $text: set in global scope, unexported, with 1 elements
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# CHECK: $text[1]: |xyz|
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set --show nums
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# CHECK: $nums: set in global scope, unexported, with 0 elements
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string match -r --all '(?<nums>\d+)|(?<text>[a-z]+)' -- '111 aaa 222 bbb'
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# CHECK: 111
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# CHECK: 111
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# CHECK: aaa
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# CHECK: aaa
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# CHECK: 222
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# CHECK: 222
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# CHECK: bbb
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# CHECK: bbb
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set --show nums
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# CHECK: $nums: set in global scope, unexported, with 4 elements
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# CHECK: $nums[1]: |111|
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# CHECK: $nums[2]: ||
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# CHECK: $nums[3]: |222|
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# CHECK: $nums[4]: ||
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set --show text
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# CHECK: $text: set in global scope, unexported, with 4 elements
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# CHECK: $text[1]: ||
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# CHECK: $text[2]: |aaa|
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# CHECK: $text[3]: ||
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# CHECK: $text[4]: |bbb|
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# Regression test for #7938.
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set -e text
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echo one\ntwo | string match -ra '(?<text>[a-z]+)'
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# CHECK: one
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# CHECK: one
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# CHECK: two
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# CHECK: two
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set --show text
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# CHECK: $text: set in global scope, unexported, with 1 elements
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# CHECK: $text[1]: |one|
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set -e text
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echo three\nfour | string match -qra '(?<text>[a-z]+)'
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set --show text
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# CHECK: $text: set in global scope, unexported, with 1 elements
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# CHECK: $text[1]: |three|
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set -e text
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echo 555\nsix | string match -qra '(?<text>[a-z]+)'
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set --show text
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# CHECK: $text: set in global scope, unexported, with 1 elements
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# CHECK: $text[1]: |six|
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