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Top Forums Shell Programming and Scripting How do I launch a command on an existing terminal in unix using PERL Post 302483345 by AnuragJindal on Sunday 26th of December 2010 09:58:05 AM
Old 12-26-2010
How do I launch a command on an existing terminal in unix using PERL

Hello,

I have a PERL-TK based GUI from which I want to launch a command on an existing UNIX terminal (this is also the parent terminal for this perl based gui window). The command I want to launch is interactive (there is no intention to interact with that command from the same PERL gui i.e. no further interaction between the two processes).
I tried the following:
Option1: system("$command");
This launched the command on the parent terminal but the $command got suspended in-between because it is interactive.

Option2: system("gnome-terminal -x sh -c $command");
This launched the command in interactive mode on a "new" terminal. The problem in this case is that the terminal gets killed once the command execution completes.

Thanks in advance!

Regards,
Anurag
 

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GStreamer(1)															      GStreamer(1)

NAME
gst-launch-ext - Run a predefined GStreamer pipeline SYNOPSIS
gst-launch-ext filename [filename...] DESCRIPTION
gst-launch-ext is a tool that is used to run a basic predefined GStreamer pipeline. This application is only used as a quick test to ensure proper working of codecs and GStreamer. It doesn't handle more advanced features like synchronisation. All supported formats in GStreamer should be playable by simply typing: gst-launch-ext filename It will also print out the pipeline it uses, so you can customize it using cut and paste. CONFIGURATION
gst-launch-ext can be configured by creating a .gst file in your home directory. This is a perl-style configuration file and can override the defaults for audio and video output sinks. Here is an example .gst file that implements the same defaults as hard-coded in the script : $cfg{AUDIOSINK} = "osssink"; $cfg{VIDEOSINK} = "colorspace ! xvideosink"; You can change osssink to any of esdsink, alsasink, jacksink (if you have the plug-in), and you can change xvideosink to aasink or sdlvideosink. Other plug-ins might be used as well if GStreamer has them. SEE ALSO
gst-guilaunch(1), gst-complete(1), gst-register(1), gst-inspect(1), gst-launch(1), AUTHOR
The GStreamer team at http://gstreamer.net/ February 2002 GStreamer(1)
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