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36 lines
1023 B
Fish
36 lines
1023 B
Fish
10 years ago
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# NAME
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# list.erase - erase items from lists
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#
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# SYNOPSIS
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# <item> [<item>...] [--from] <list>
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# <item> [<item>...] --from <list1> [<list2>...]
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#
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# DESCRIPTION
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# Erase any number of items from any number of lists. If more than one
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# list is specified it must be separated from the items with --from.
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#
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# NOTES
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# While items are basically any valid sequence of symbols, lists refer
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# to any global variable or local variable in the scope of the calling
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# function by name.
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#
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#/
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function -S list.erase
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# List to erase from is last item by default.
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set -l items $argv[1..-2]
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set -l lists $argv[-1]
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if set -l index (contains -i -- --from $argv)
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# Everything before --from are items to erase and everything
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# after, lists to erase any found items from.
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set items $argv[1..(math $index-1)]
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set lists $argv[(math $index+1)..-1]
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end
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for item in $items
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for list in $lists
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if set -l index (contains -i -- $item $$list)
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set -e $list[1][$index]
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end
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end
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10 years ago
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end
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end
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