#!/bin/sh # Some optional functions in LARBS require programs not installed by default. I # use this little script to check to see if a command exists and if it doesn't # it informs the user that they need that command to continue. This is used in # various other scripts for clarity's sake. for x in "$@"; do if ! which "$x" >/dev/null 2>&1 && ! pacman -Qq "$x" >/dev/null 2>&1; then notify-send "📦 $x" "must be installed for this function." && exit 1 ; fi done