Shell loop bug?
Sascha Hauer
s.hauer at pengutronix.de
Tue Nov 17 02:41:22 PST 2015
On Tue, Nov 17, 2015 at 01:24:11PM +0300, Alexander Shiyan wrote:
> Hello.
>
> barebox@/ # for i in /dev/* ; do echo $i; done
> /dev/flash0
> /dev/full
> /dev/m25p0
> /dev/m25p1
> /dev/mem
> /dev/null
> /dev/ram0
> /dev/self0
> /dev/serial1
> /dev/zero
>
> barebox@/ # for i in /dev/*1 ; do echo $i; done
> /dev/m25p1
> /dev/serial1
>
> barebox@/ # for i in /dev/*2 ; do echo $i; done
> /dev/*2
> ^^^^^^^^ Is this correct?
When there is no /dev/*2, then yes, this is correct.
Try the same under bash, it behaves the same. If there's nothing
matching the wildcard pattern then the wildcards are just passed
through.
Sascha
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