st-urlhandler

#!/bin/sh

urlregex='(((http|https|gopher|gemini|ftp|ftps|git)://|www\\.)[a-zA-Z0-9.]*[:]?[a-zA-Z0-9\+./@$&%?$\#=_~-]*)'
magnetregex='(magnet:\\?xt=urn:btih:[a-zA-Z0-9]*)'
zathuraregex='((zathura|pdf):[0-9]*[:]?[a-zA-Z0-9\(\)\+>.,/@$&%?$\#=_~-]*)'

urls="$(sed 's/.*│//g' | tr -d '\n' | # first remove linebreaks and mutt sidebars
    sed -re 's/(\s)*(> )(\s)*//g' |   # handle possible line break (in `neovim`, see 'showbreak')
    grep -aEo "$urlregex|$magnetregex|$zathuraregex" | # grep only urls as defined above
    uniq |                            # ignore neighboring duplicates
    sed 's/^www./http:\/\/www\./g')"  # 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 "$urls" | dmenu -i -p 'Follow URL: ' -l 10)"
        chosen="$(echo "$urls" | fmenu -g 100x15 -p 'Follow URI:')"
        setsid xdg-open "$chosen" >/dev/null 2>&1 & ;;
    c) echo "$urls" | fmenu -g 100x15 -p 'Copy URI:' | tr -d '\n' | xsel -b ;;
    *) printf "Invalid option: -%s\\n" "$OPTARG" && exit 1 ;;
esac done