[lug] grep question
zlynx at acm.org
Tue Jan 29 12:56:40 MST 2002
Scott A. Herod wrote:
>A quick grep question: I've got a file named "spam" that may contain
>"hello", "goodbye", both or neither.
>I need a grep command that returns true if either or both is present.
>The grep man page suggests that you can use the infix operator |
>(the pipe symbol) but I can't figure out the syntax. Does anyone
>I basically want something like:
>grep 'hello!good' spam
>Web Page: http://lug.boulder.co.us
>Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug
I believe you need to use either egrep or grep -E (they're both the same
thing). Then, egrep 'hello|goodbye' will work.
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