oh-my-fish/plugins/fish-spec/list.erase.fish
2015-01-10 15:16:09 -02:00

36 lines
1023 B
Fish

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