st-urlhandler

#!/bin/sh

urlregex="(((http|https|gopher|gemini|ftp|ftps|git)://|www\\.)[a-zA-Z0-9.]*[:;a-zA-Z0-9./@$&%?$\#=_~-]*)|((magnet:\\?xt=urn:btih:)[a-zA-Z0-9]*)"

urls="$(sed 's/.*│//g' | tr -d '\n' |	# First remove linebreaks and mutt sidebars.
	grep -aEo "$urlregex" |				# grep only urls as defined above.
	uniq |								# Ignore neighboring duplicates.
	sed "s/\(\.\|,\|;\|\!\\|\?\)$//;
	s/^www./http:\/\/www\./")"			# xdg-open will not detect url without http

[ -z "$urls" ] && exit 1

while getopts "hoc" o; do case "${o}" in
    h) printf "Optional arguments for custom use:\\n  -c: copy\\n  -o: xdg-open\\n  -h: Show this message\\n" && exit 1 ;;
    o)
        chosen="$(echo "$urls" | dmenu -i -p 'Follow which url?' -l 10)"
        setsid xdg-open "$chosen" >/dev/null 2>&1 &
        ;;
    c) echo "$urls" | dmenu -i -p 'Copy which url?' -l 10 | tr -d '\n' | xclip -selection clipboard ;;
    *) printf "Invalid option: -%s\\n" "$OPTARG" && exit 1 ;;
    esac done