Piping application output

[clandestin]

Hello,
I'm trying to start an application with a tcl proc and catch the output of that application into a file.

For now I could only manage to start it like this:

set output [catch { exec myprogram } ]
set output_file [open "$env(HOME)/.output.log" "w"]
puts $output_file $output
close $output_file

But this returns only a 0 or a 1 depending how the program exited.

Is there any other way to get the full output from my progam in file?

doing something like this won't work :

set output [catch { exec myprogram >> logfile} ]

 

[clandestin]

Hi,

I accidentally stumbled across this page:

http://www.beedub.com/book/3rd/Tkexampl.pdf

there is a good example at the beginning of that pdf documment which clears the output logging problem.

Thanks anyway! This is a good forum.