On Fri, 14 May 2010, Denys Vlasenko wrote:
> I did discover a lot of interesting details about shells
> while hacking on them. One is that bare "read"
> is NOT the same thing as "read REPLY"! Look at this:
>
> $ echo " foo b\ar " | { read -r; echo "[$REPLY]"; }
> [ foo b\ar ]
$ dash -c 'echo " foo b\ar " | { read -r; echo "[$REPLY]"; }'
read: 1: arg count
[]
> $ echo " foo b\ar " | { read -r REPLY; echo "[$REPLY]"; }
> [foo b\ar]
$ dash -c 'echo " foo b\ar " | { read -r REPLY; echo "[$REPLY]"; }'
[foo br]
(with a bell ringing)
> (I will add -r, thanks)
Be careful out there :)
Cheers,
--
Cristian
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