On Wed, Jun 21, 2006 at 05:23:49PM +0100, Florent Thoumie wrote:
> On Wed, 2006-06-21 at 16:23 +0400, Yar Tikhiy wrote:
> >
> > BTW, grep can be emulated with /bin/expr if needed:
> >
> > _grep()
> > {
> > while read _line; do
> > [ `expr "$_line" : ".*$1"` != 0 ] && echo "$_line"
> > done
> > }
> >
> > Ditto for "grep -q".
>
> I guess we can even just use shell pattern matching with 'case'.
Some scripts use egrep patterns, e.g., `linux(aout|elf)', which are
problematic to handle even with expr, let alone shell.
--
Yar
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