Could somebody provide a beginners TCL/TK example please -- HJH Launch pad for launching external programs or other TCL scripts Variant 1) A row with four buttons. When a button is pressed a commandline string defined at the beginning of the program is executed. ____ Note: To launch an external program the command exec myProg.exe & is used. How is the syntax if an entire commandline has to be given to the system myProg.exe fname See also * [DOS BAT magic]