#!/bin/sh

LANG=pob

usage() {
	echo "usage: dlsubs <files>"
	exit 1
}

[ -z "$1" ] && usage

for arg in "$@"; do
	case "$arg" in
		*.mkv|*.mp4 ) 
			if [ ! -f "$arg" ]; then
				echo "$arg is not a file"
				usage
			fi ;;
		*) echo "$arg is neither a .mkv nor a .mp4 file"; usage ;;
	esac
done

for input in "$@"; do
	subdl --lang=$LANG "$input"
done