#!/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
	notify() { notify-send "📦 $x" "must be installed for this function." && exit 1 ;}
	which_out="$( /usr/bin/which "$x" >/dev/null 2>&1 )" && exit 0 #you might have compiled the prog, and not install the repo pkg...
	pkgname="$(pacman -Qqo "$which_out"  >/dev/null 2>&1 )" #...thats why two variables.
	pacman -Qq "$pkgname" >/dev/null 2>&1 || notify
done