play_random

#!/bin/bash

while(true);
do
	clear;
	echo -e "\e[92mMENU\e[39m";
	echo -e "\e[92m=====================================\e[39m\n";
	echo -e "\e[96m r)\e[97m Play a random song";
	echo -e "\e[96m a)\e[97m Play songs from a randomly generated playlist";
	echo -e "\e[96m g)\e[97m Generate a random playlist";
	echo -e "\e[96m l)\e[97m List available songs";
	echo -e "\e[96m q)\e[97m Quit\n";
	echo -e "\e[93mSelect an option\e[39m\n"
	echo -e "\e[33mUseful player commands (for mplayer):\e[39m";
	echo -e "\e[33m=====================================\e[39m";
	echo -e "\e[36mQ		: \e[39mSTOP (cancel playing)";
	echo -e "\e[36mSPACEBAR	: \e[39mPAUSE";
	echo -e "\e[36mRIGHT ARROW	: \e[39mFORWARD";
	echo -e "\e[36mLEFT ARROW	: \e[39mREWIND";
	echo -e "\e[36mENTER		: \e[39mNEXT SONG IN PLAYLIST";
	
	read -N 1 -s -r input;
	echo $input;

	if [ "$input" = "r" ]; then
		files=();
		while IFS=  read -r -d $'\0'; do
			files+=("$REPLY")
		done < <( find . -name "*.mp3" -print0 )

		echo -e "${files[RANDOM % ${#files[@]}]}";
		mplayer -msgcolor "${files[RANDOM % ${#files[@]}]}";
	fi

	if [ "$input" = "a" ]; then
		rm -f playlist;
		files=();
		while IFS=  read -r -d $'\0'; do
			files+=("$REPLY")
			echo -e "${files[RANDOM % ${#files[@]}]}" >> playlist;
		done < <( find . -name "*.mp3" -print0 )
		mplayer -msgcolor -shuffle -playlist playlist;
		rm -f playlist
	fi

	if [ "$input" = "g" ]; then
		rm -f playlist;
		files=();
		while IFS=  read -r -d $'\0'; do
			files+=("$REPLY")
			echo -e "${files[RANDOM % ${#files[@]}]}" >> playlist;
		done < <( find . -name "*.mp3" -print0 )

		read -N 1 -s -r -p "Playlist created. Press any key to continue";
	fi

	if [ "$input" = "l" ]; then
		dircol=$(tput bold ;tput setaf 4)
		coloff=$(tput sgr0)

		root="."       # define path here, not in 'find` arg
		root="${root:-.}"  # default to '.'
		root="${root%/}/"  # add trailing '/'
		#
		
		find "$root" -name '*.mp3' -printf "%y %P\n" | 
		while read -r line ;do
			case $line in 
			d   ) printf "%s\n" "$dircol$root$coloff";;  
			d\ *) printf "%s\n" "$dircol$root${line:2}$coloff";;  
			f\ *) l="$root${line:2}"
					d="${l%/*}/"
					f="${l##*/}"
					cd -P "$d" 
					printf "%s" "$dircol$d$coloff"
					ls --color=always -R1 "$f"
					cd - >/dev/null
					;; 
				*) printf "ERROR - type not yet catered for\n";;  
			esac
		done  | more

		read -N 1 -s -r -p "Press any key to continue";
	fi

	if [ "$input" = "q" ]; then
		exit 1;
	fi
done