OT: bash script - unexpected exit

[Matthew Mosesohn]

Sorry about that. I meant to say that using for line in $(cat file) is bad because it might not split up into lines properly. 






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

From: "JD" <jd1008 at gmail.com> 
To: "Community support for Fedora users" <users at lists.fedoraproject.org> 
Sent: Monday, January 16, 2012 3:34:37 PM 
Subject: Re: OT: bash script - unexpected exit 

On Mon, Jan 16, 2012 at 1:25 PM, Andre Speelmans <fedora-list at cosiso.nl> wrote: 
> On Mon, Jan 16, 2012 at 8:55 PM, JD <jd1008 at gmail.com> wrote: 
>> What exactly were you trying to accomplish using cat? 
> 
> I was not trying, the OP had a script that did a: 
> cat file | while read line; do something done 
> 
> Matthew commented that you should not rely on cat for reading a file 
> line by line and I was curious as to why not. The example Matthe gave: 
> 
> while read; do something; done < file 
> 
> would have been my preferred way, but I was curious as to whether 
> there was a specific reason to not rely on cat. So far cat always gave 
> me the contents of the file, after all, and as such seemed pretty 
> reliable. 
> 
> 
> -- 
> Regards, 
> 
> André 
> 

I see! Thanx for elucidating. 

The second method you state should be like this 

while read line; do 
Something with "$line" 
done < file 

Cheers, 

JD 
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