[CentOS] question on grep

[Ross S. W. Walker]

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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