barney@deepthought:~/shoutcast$ cat playlist.lst
/media/Media/Music/Newbury.mp3
/media/Media/Music/Mad Capsule Markets - 010/13 - No Food, Drink Or Smoking.mp3
/media/Media/Music/Mad Capsule Markets - 010/01 - Introduction 010.mp3
/media/Media/Music/Mad Capsule Markets - CiSTm K0nFLiqT/[06] The Mad Capsule Markets - Cracker!!!.mp3
/media/Media/Music/Mad Capsule Markets - CiSTm K0nFLiqT/[12] The Mad Capsule Markets - Happy Ride.mp3
barney@deepthought:~/shoutcast$ someuber='[06] The Mad Capsule Markets - Cracker!!!.mp3';

barney@deepthought:~/shoutcast$ grep "$someuber" playlist.lst
barney@deepthought:~/shoutcast$