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Top Forums Programming How to read output of a shell command Post 302318604 by shamik on Friday 22nd of May 2009 01:32:37 AM
Old 05-22-2009
Power How to read output of a shell command

Hello All,

I have a an application written in C and runing on Red Hat Linux.

In my code I have written a command that is fired on the linux shell by using system() function call.

Now I need to read the output of this command in my c program and assign it to a variable.

Can anyone please tell how do i do so ?


Thanks and Regards,
Shamik.
 

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RHN-PROFILE-SYNC(8)						   Red Hat, Inc.					       RHN-PROFILE-SYNC(8)

NAME
rhn-profile-sync - Update system information on Spacewalk server. SYNOPSIS
rhn-profile-sync [options] DESCRIPTION
rhn-profile-sync is a client program that connects to "Spacewalk Server", "Red Hat Satellite" or "Red Hat Network Classic" and refreshes the data stored for this system. rhn-profile-sync updates data about installed packages, machine hardware, and virtual guest instances (if virtualization is enabled). OPTIONS
-v, --verbose Increase the debugging output. --proxy=PROXY Specify an http proxy to use. --proxyUser=PROXYUSER Specify a username to use for an authenticated proxy. This option must be used in conjunction with proxyPassword. --proxyPassword=PROXYPASSWORD Specify a password to use for an authenticated proxy. This option must be used in conjunction with proxyUser. --version Show the program's version number and exit. -h, --help Show a help message and exit. FILES
/etc/sysconfig/rhn/up2date The common configuration file used by RHN client programs. SEE ALSO
rhn_check(8), rhn_register(8), rhnreg_ks(8), rhnsd(8), up2date(5). AUTHORS
See the AUTHORS file included with this software. This manual page was written by James Bowes <jbowes@redhat.com> BUGS
Report bugs to <http://bugzilla.redhat.com>. COPYRIGHT
Copyright (C) 1999-2010 Red Hat, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. Linux 2010 August 30 RHN-PROFILE-SYNC(8)
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