Re: bizarre trap behavior while reading a file

[Steven W. Orr]

On 3/29/2011 2:33 AM, Mart Frauenlob wrote:
> On 28.03.2011 18:03, tytus64 wrote:
> >
> [...]
>
> > trap "" HUP; cat $log_file | {
> > while read line
> [...]
>
> useless use of cat!
>
> while read ... < file
>
> no need for a subshell actually (introducted by the pipe).

I'm a big opponent of useless cats, but I have one question:

Is there a difference between

while read line < file
do
    stuff
done

vs

while read line
do
    stuff
done < file

Or does this fall into the category of style?

Thanks.

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