Re: [wxperl-users] system calls to other programs

[Mattia B. <mb...@ds...>]

> Hi,
Hi 

> I have a GUI that takes user input and does a system call to another
> perl script. This works fine. What I would like to do is to divert
> the latter program's standard output and error messages to a
> TextCtrl on my GUI . Could anyone give me hints on how to get
> started with this?

Assuming the latter program is a long running one,
you could use IPC::Open3 to spawn the program and get its STDOUT and 
STDERR, set up a timer, and in the timer function use select 
RBITS,WBITS,EBITS,TIMEOUT ( see perlfunc ) to see if something is 
available on STDERR/STDOUT, read and display it.

HTH
Mattia