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a5fd0b317e
This reverts commit bd18736ee5.
Bare variables should only be used in commands that must
manipulate the variable stack, such as `set`.
47 lines
1.0 KiB
Fish
47 lines
1.0 KiB
Fish
function contains_seq --description 'Return true if array contains a sequence'
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set -l printnext
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switch $argv[1]
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case --printnext
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set printnext[1] 1
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set -e argv[1]
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end
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set -l pattern
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set -l string
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set -l dest pattern
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for i in $argv
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if test "$i" = --
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set dest string
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continue
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end
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set $dest $$dest $i
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end
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set -l nomatch 1
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set -l i 1
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for s in $string
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if set -q printnext[2]
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return 0
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end
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if test "$s" = "$pattern[$i]"
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set -e nomatch[1]
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set i (math $i + 1)
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if not set -q pattern[$i]
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if set -q printnext[1]
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set printnext[2] 1
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continue
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end
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return 0
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end
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else
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if not set -q nomatch[1]
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set nomatch 1
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set i 1
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end
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end
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end
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if set -q printnext[1]
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echo ''
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end
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set -q printnext[2]
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end
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