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Re: Bourne sh redirection, a loop variable, and ':'
From: |
Ralf Wildenhues |
Subject: |
Re: Bourne sh redirection, a loop variable, and ':' |
Date: |
Sat, 13 Sep 2008 15:20:10 +0200 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
Hi Eric,
* Eric Blake wrote on Sat, Sep 13, 2008 at 02:21:54PM CEST:
> According to Ralf Wildenhues on 9/13/2008 1:27 AM:
> >>
> >> # for i in 1 2 3 ; do : >x$i ; sleep 60 ; done ; date ; ls -l x*
> >> Wednesday, September 3, 2008 1:25:25 PM PDT
> >> -rw-r--r-- 1 root root 0 Sep 3 13:22 x1
> >>
> >> it seems that the no-op is removed from the loop after the first iteration.
> >> I guessed as much, but this makes it clearer. Pretty weird. - Bruce
> >
> > Indeed. OK to install this patch to describe the issue?
>
> Yes, please apply.
Thanks. I added "after the first iteration", to make it a bit clearer
even.
Cheers,
Ralf