Stephen Harris wrote:
>
> On Wed, Oct 10, 2007 at 04:10:05PM -0400, Ross S. W. Walker wrote:
> > Stephen Harris wrote:
> > >
> > > On Wed, Oct 10, 2007 at 04:32:30PM -0300, mups.cp wrote:
> > > > A simple one
> > > > # echo "jerry jerry" | tr " " "\n" | grep -c jerry
> > > > 2
> > >
> > > But what about jerry.jerry or jerry/jerry or jerry,jerry or....
> >
> > Well he never stated a non-standard field separator, but if
> that is the case, with awk:
>
> The question wasn't suficiently well defined. After all, is
> "jerryjerry"
> a count of "1" or "2" ? :-) :-)
>
> To make the "tr" case more general:
> echo "jerry jerry" | tr -c '[:alnum:]' '\012' | grep -c jerry
>
> Or we could be silly (if each occurance is meant to be counted):
> echo "jerry jerryjerryjerryhellojerry" | sed 's/jerry/\
> jerry/g' | grep -c jerry
True!
Regular expressions sure are fun :-)
I think we've shown enough variations here to give the OP the
idea that there are a lot of ways to skin this cat.
-Ross
______________________________________________________________________
This e-mail, and any attachments thereto, is intended only for use by
the addressee(s) named herein and may contain legally privileged
and/or confidential information. If you are not the intended recipient
of this e-mail, you are hereby notified that any dissemination,
distribution or copying of this e-mail, and any attachments thereto,
is strictly prohibited. If you have received this e-mail in error,
please immediately notify the sender and permanently delete the
original and any copy or printout thereof.
_______________________________________________
CentOS mailing list
CentOS@xxxxxxxxxx
http://lists.centos.org/mailman/listinfo/centos
