[CentOS] question on grep
Ross S. W. Walker
rwalker at medallion.com
Wed Oct 10 20:10:05 UTC 2007
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:
echo "jerry,jerry-jerry jerry" | awk 'BEGIN{RS="[^[:alnum:]]"} /^jerry$/ {jerry++} END{print jerry}'
That'll separate records by any non-alphanumeric.
(I had messed up the comparison on my first post)
-Ross
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