The argp package allows simple and flexible using and parsing optional arguments in tcl procs (like arguments given to Tk widgets) or commandline arguments given to a tcl script. The argp package allows implicit checking for argument types and argument values if needed.

Download version 0.2 of the argp package.

tclargp.tar.gz

A paper I wrote for the 2002 European Tcl Conference about use of Tcl in bioinformatics.

bach_tclpaper.pdf