Hello,
I am trying to use Vtcl to produce an X front end for
a commandline program written in C. All it has to do
is exec the program when it is run display all output
onto a text widget and then kill the app when the
exit button is pressed.
I am using the below code to execute and capture the
stdio output which works well, except that you cannot
use the exit button while it is running. What I need
to know is if there is an equivalent function similar
to Visual Basic's DoEvents()? ie, allow the script to
multitask properly, or is there another approach to
this?
.top26.tex30 delete 1.0 end
set exec [ open |$script r ]
while { [gets $exec data] >= 0} {
update
.top26.tex30 insert end "$data\n"
update
}
close $exec
Regards Sean.
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