[CentOS] question on grep

[mups.cp]

A simple one
# echo "jerry jerry" | tr " " "\n" | grep -c jerry
2

The perl seems more general.

On 10/10/07, Andy Harrison <aharrison at gmail.com> wrote:
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> On 10/10/07, Jerry Geis  wrote:
> > Is there a command line option on grep that says
> > count ALL occurances on a line not just the first one???
> >
> > echo "jerry jerry" | grep -c jerry
> >
>
> Grep can just count the number of lines with occurrences not the
> number of them.  You can do it in perl though.
>
>
> # echo "jerry jerry" | perl -lane '$count = grep $_ =~ m/jerry/, @F;
> print $count'
> 2
>
> - --
> Andy Harrison
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