Help with Grep

[Rodent of Unusual Size]

Ed Lawson wrote:
> My son who is working at an unamed, but major health care institution in 
> boston has a desparate
> need to extract all instances of  the following four text strings in a 6 
> meg file:
> 
> po=
> to=
> delay=
> dsn=4

try

grep -E '(po|to|delay)=|dsn=4'  filename
-- 
#ken	P-)}

Ken Coar, Sanagendamgagwedweinini  http://Golux.Com/coar/
Author, developer, opinionist      http://Apache-Server.Com/

"Millennium hand and shrimp!"