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https://github.com/fish-shell/fish-shell
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30f821c8f4
Technically the equivalence would be something like string length -q $str test -n (string join \n -- $str | string collect) To handle when str has multiple empty strings; but quoting is easier to remember and enough for most practical purposes.
39 lines
607 B
ReStructuredText
39 lines
607 B
ReStructuredText
string-length - print string lengths
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Synopsis
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--------
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.. BEGIN SYNOPSIS
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::
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string length [(-q | --quiet)] [STRING...]
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.. END SYNOPSIS
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Description
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-----------
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.. BEGIN DESCRIPTION
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``string length`` reports the length of each string argument in characters. Exit status: 0 if at least one non-empty STRING was given, or 1 otherwise.
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.. END DESCRIPTION
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Examples
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--------
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.. BEGIN EXAMPLES
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::
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>_ string length 'hello, world'
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12
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>_ set str foo
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>_ string length -q $str; echo $status
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0
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# Equivalent to test -n "$str"
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.. END EXAMPLES
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