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Top Forums Shell Programming and Scripting netstat grep regex suspend script help Post 302725065 by bilboNIX on Thursday 1st of November 2012 04:09:57 PM
Old 11-01-2012
Linux netstat grep regex suspend script help

Hi

I am trying to create a suspend script which will suspend the system only if it cant find port 9982 four or more times OR 192.168.0.:microsoft-ds ESTABLISHED in the output of netstat -t.

I am struggling with the 9982 bit, googling etc I came up with
Code:
if netstat -t|grep -P "(9982){4,}"

but this does not return anything when there is four or more instances of 9982.

Also is this script okay?

Code:
#!/bin/bash
if netstat -t|grep -P "(9982){4,}" ; then
	exit
	elif
	netstat -t|grep -P "192.168.0.:microsoft-ds ESTABLISHED" ; then
	exit
        elif
	echo pm-suspend
fi

Any help would be appreciated Smilie

Last edited by Scrutinizer; 11-01-2012 at 05:34 PM.. Reason: code tags
 

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suspend(1)                                                         User Commands                                                        suspend(1)

NAME
suspend - shell built-in function to halt the current shell SYNOPSIS
sh suspend csh suspend ksh suspend DESCRIPTION
sh Stops the execution of the current shell (but not if it is the login shell). csh Stop the shell in its tracks, much as if it had been sent a stop signal with ^Z. This is most often used to stop shells started by su. ksh Stops the execution of the current shell (but not if it is the login shell). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), kill(1), ksh(1), sh(1), su(1M), attributes(5) SunOS 5.10 15 Apr 1994 suspend(1)
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