#! /usr/local/tk3.2/bin/wish -f
#
# Compute the data if necessary
# If residual requested, use egrep on directory file to generate list of
# files to plot
# If !residual, use egrep and awk to extract data
#
# For the filters, we use awk to execute the tests.
proc DoRuns {} {
foreach accel { $Accels } {
    foreach precond { $Methods } {
        foreach probandsz { $Problems } {
            str = [exec grep ...]
	    if (str empty) run ...
	    }
	}
    }
}
#The awk code should be something like { if (test satisfied) print $* }


