can grep use filenames from stdin?

[Denis Vlasenko]

On Sunday 18 March 2007 20:32, Rogelio Serrano wrote:
> On 3/19/07, Paul Fox <pgf at brightstareng.com> wrote:
> >  >
> >  > yes but xargs will spawn grep for each file and grep will then compile
> >  > the pattern everytime.
> >
> > no, that's wrong.  part of the point of xargs is to run the
> > command as few times as possible, while keeping the number of
> > arguments to the command under the system's command-length limit.
> 
> does busybox xargs do that?

Do you really need mailing list to determine that?

# echo /* | xargs echo
/app /bin /bin.sv /boot /boot.conf /boot.shadow.conf /dev /etc /home /init /lib /mnt /proc /pub /root /sbin /sys /tmp /usr /var /wlan /wlan0 /wlan_adhoc

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vda