[clue] Bash baffler

foo7775 at comcast.net foo7775 at comcast.net
Wed Jun 4 17:17:36 MDT 2014


Much appreciated Vishal, that makes complete sense. I spent enough time testing it with different combinations of backticks, etc. that I'm not at all surprised that something like that slipped through. I'll tweak it a bit (either later tonight, or early tomorrow) & try it again. 

Thanks again. 

T. 

----- Original Message -----

From: "Vishal Verma" <stellarhopper at gmail.com> 
To: "list, CLUE" <clue at cluedenver.org> 
Sent: Wednesday, June 4, 2014 5:04:22 PM 
Subject: Re: [clue] Bash baffler 

But the real problem is you're using both $() and `` 
It is trying to execute the text output of `df -hl | awk '{print 
$NF}' | grep -v ^\/dev` and feeding it into another subshell as a 
command, which of course it isn't. 

-Vishal 

On Wed, Jun 4, 2014 at 4:59 PM, Vishal Verma <stellarhopper at gmail.com> wrote: 
> On Wed, Jun 4, 2014 at 4:53 PM, <foo7775 at comcast.net> wrote: 
>> df -hl | awk '{print $NF}' | grep -v ^\/dev 
> 
> The 'on' seems to be coming from the last column of the 'header' of 
> the df command: 
> Filesystem Size Used Avail Use% Mounted on 
> 
> You want something like: 
> df -hl | grep -v "^Filesystem" | awk '{print $NF}' | grep -v ^\/dev 
> 
> -Vishal 
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