Re: [Help-bash] Is there a construct in bash that can replace cat?

[Matthew Cengia]

On 2015-01-19 17:03, Peng Yu wrote:
> Hi,
> 
> I have the following toy script. Depending the option totext, I want
> to filter the input to text or to just pass the input to the output
> without changing anything. For the latter case, I use cat. But this
> involves calling the external program cat. Is there a way to do it in
> bash internally without resorting to an external program? Thanks.


cat is the quickest way to do it; doing it with bash will probably be
much slower. A first approximation of code that should work (assuming
you're just dealing with a text file), is:

while read -r; do echo "$REPLY"; done

-- 
Regards,
Matthew Cengia

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