fish-shell/share/functions/__fish_complete_list.fish

function __fish_complete_list --argument div cmd prefix iprefix
	if not set -q cmd[1]
		echo "Usage:
    __fish_complete_list <separator> <function> <prefix> <itemprefix>
where:
  separator - a symbol, separating individual entries
  function - a function which prints a completion list to complete each entry
  prefix - a prefix, which is printed before the list
  itemprefix - a prefi, which is printed before each item" > /dev/stderr
		return 1
	end
	set -q iprefix[1]
	or set -l iprefix ""
	set -q prefix[1]
	or set -l prefix ""
	set -l pat (commandline -t)
	#set -l pat $argv[5]
	switch $pat
	case "*$div*"
		for i in (echo $pat | sed "s/^\(.\+$div\)$iprefix.*\$/\1/")$iprefix(eval $cmd)
			echo $i
		end
	case '*'
		for i in $prefix$iprefix(eval $cmd)
			echo $i
		end
	end


end