Hi all, You want a shell script. The syntax will depend on what shell you're using. Check docs on your brand of shell. A shell script might look something like this. #!/bin/sh lame -b 128 $1.wav $1.mp3 Ann P. -- Ann K. Parsons email: akp at eznet.net WEB SITE: http://home.eznet.net/~akp "All that is gold does not glitter. Not all those who wander are lost." JRRT