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Re: grep '-o' ???

From: Andreas Schwab
Subject: Re: grep '-o' ???
Date: Thu, 01 Nov 2007 12:09:22 +0100
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.1 (gnu/linux)

"Leslie E. Ballentine" <address@hidden> writes:

> Maybe it is interpreting -o as an option (although I would think that the
> single quotes would stop that from happening),

The quotes do not change a thing.  The argument still starts with a '-'.

> but even that does not explain the behavior.

In absence of a file argument grep reads standard input.

> And how do I search a file for the characters "-o"?

Use -e.


Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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