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Re: ignoring comments in a 'cat' call

From: Marc Herbert
Subject: Re: ignoring comments in a 'cat' call
Date: Fri, 09 Oct 2009 09:41:36 +0100
User-agent: Thunderbird (X11/20090320)

Bob Proulx a écrit :
> > Tamlyn1978 wrote:
>> >> Is there a way to make 'cat' ignore the comments or is there a better
>> >> alternative to cat in this case?
> > 
> > Note that if 'cat' didn't exactly reproduce the contents of input on
> > the output I would consider that a grave bug.

Well... GNU cat has a number of options, and almost every single one is
munging the output  :-) 

> > Instead of using $(cat SOMEFILE) it is better to avoid the extra
> > process and use $(< SOMEFILE) instead.  It is built into the shell and
> > is the right way to do that task.

It is more efficient but I think it is not standard.



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