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Re: grep bug


From: Eric Blake
Subject: Re: grep bug
Date: Thu, 29 Jun 2006 06:19:43 -0600
User-agent: Thunderbird 1.5.0.4 (Windows/20060516)

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According to Paul Jarc on 6/28/2006 10:29 AM:
> Lars Ångman <address@hidden> wrote:
>> grep "-b" foo.bar
>>
>> the command hangs, i.e. I never get back to the promt. 
> 
> -b is interpreted as an option, and foo.bar is interpreted as the
> pattern to search for.  Since no apparent filename is given, grep
> reads stdin.
> 
> You can use "grep -e regexp" to search for a pattern that starts with
> "-".  That will stop the pattern from being interpreted as options.

Or, keeping in the tradition of most POSIX apps, use -- as the separator
between options and arguments.

grep -- -b foo.bar

- --
Life is short - so eat dessert first!

Eric Blake             address@hidden
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