mplayer wrapper for making playlists

playlist.bash

#!/bin/bash -f

SORT="sort -n"
filter="-type f"

DENIED_EXTS="txt m3u pls jpg jpeg gif nfo srt sub torrent zip rar cbz cbr part"

if [[ "$1" =~ ^- && "$1" != "--help" ]] ;then
	SORT_ARG="$1"
	if [[ "$1" = "--cat" ]] ; then
		SORT() { tr '\0' '\n' ; }
	elif [[ "$1" = "-t" || "$1" = "-rt" || "$1" = "-tr" ]] ; then
		SORT() { xargs -0 ls "$SORT_ARG" ; }
	else
		SORT() { sort "$SORT_ARG" -z | tr '\0' '\n' ; }
	fi
	shift
fi

# Ensures correct handling of paths with spaces and makes playlist independent
# of $PWD... This is ugly, patches accepted :p
hit_dashdash=0
for arg in "$@" ; do
	if [[ $hit_dashdash -eq 0 && "$arg" =~ ^- ]] ;then
		if [[ "$arg" = "--" ]] ; then
			hit_dashdash=1
		elif [[ "$arg" =~ ^--?(\?|help)?$ ]] ;then
			echo -e "Usage:
 `basename $0` [sort argument | --cat] [--filter=FILTER] [mpv_args | paths] [--] [paths]" >&2
			exit 1
		elif [[ "$arg" =~ ^--filter= ]] ;then
			filter+=" -a ( ${arg#--filter=} )"
		else
			ARGS+=("$arg")
		fi
	else
		PATHS+=("`readlink -f -- \"$arg\"`")
	fi
done
if [[ ${#PATHS[@]} -eq 0 ]] ;then
	PATHS+=("$PWD")
fi

blacklist=(`for ext in $DENIED_EXTS ; do echo -a '!' -name "*.$ext" ;done`)

set -x
exec mpv "${ARGS[@]}" --playlist=<( find "${PATHS[@]}" $filter "${blacklist[@]}" -print0 | SORT )