Re: scripting question
On Wed, Apr 16, 2003 at 12:23:46PM +0100, Colin Watson wrote:
> On Tue, Apr 15, 2003 at 07:23:06PM -0700, Alvin Oga wrote:
> > -- and be careful, that what you type on a command line will NOT
> > necessarily work in a bash script
> >
> > root# ls -la /home/foo | grep -iv "ignore|this|and|that"
> >
> > will need to be 'escaped' in some scripts and not others
>
> That's wrong just to start with. Use egrep if you want to use '|' for
> alternatives. With grep, use '\|', and put single quotes around it, not
> double. Double quotes are asking for trouble unless you explicitly want
> their expansion effects.
>
Well,
grep foo "ignore\|this\|and\|that" -v
works for me but
grep foo 'ignore\|this\|and\|that' -v
doesn't.
David
Reply to: