OT scripting question

[Carroll, Jim P [Contractor]]

Simple test case:

$ /bin/true
$ echo $?
0
$ /bin/false
$ echo $?
1

HTH.

jc


> -----Original Message-----
> From: Jeff McKeon [mailto:jsm at inpro.net]
> Sent: Monday, April 28, 2003 12:19 PM
> To: Nagios List
> Subject: [Nagios-users] OT scripting question
> 
> 
> hell all,
> 
> I know this is sort of off topic but it's for a script I'm writing to
> use with nagios so I beg forgiveness..
> 
> When using a command like grep that returns an exit status (0 
> for match,
> 1 for no match, 2 for errors) how i use that exit status in a script. 
> In other words, what variable is assigned the 0, 1 or 2?
> 
> So if i had:
> 
> # look for "hello" in /tmp/somefile
> 
> /bin/grep -q hello /tmp/somefile
> 
> /bin/echo (exit status)
> 
> what would I replace "(exit status)" with so that it would 
> echo the 0, 1
> or 2?
> 
> thanks
>  
> -- 
> Jeff McKeon <jsm at inpro.net>
> 
> 
> 
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