cat and grep without destroying file
(=?utf-8?q?=60=60-=5F-=C2=B4=C2=B4?=) -- Fernando
ubuntu at bugabundo.net
Mon Oct 1 23:34:46 UTC 2007
On Sunday 30 September 2007 15:27:15 Chris Malton wrote:
> (``-_-´´) -- Fernando wrote:
> > I've been trying to make a small shell script that would remove a line from a text file.
> > But every time that I pipe the content of grep to the original file, the file ends up blank.
> > So, I've made the script use a copy and them replace the original.
> > It looks like this:
> > #for i in $(/bin/ls -1); do cat $i | egrep -v ^Date > $i.new; mv $i.new $i; done
> >
> > Isn't there any other way, without using the mv?
> >
> >
>
> I don't think so, some how. I have never successfully done it without
> an mv or a cp.
>
> Chris
Thanks, Chris.
--
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