From: -IX- How, in Tcl, can I XXX: A9M. You can't have comments where you have them. Move the comments inside of the "{" for the case that you want. Your code should read: case 1 { -1 { # # Cannot find information sought # exit 2 } 0 { # # Error in arguments # exit 1 } default { # # Desired information found # exit 0 } } Thanks to gwlester@cpu.com (Gerald W. Lester).Go Back Up