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Re: Bug or feature?
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From: |
Eric Blake |
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Subject: |
Re: Bug or feature? |
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Date: |
Wed, 22 Jun 2011 16:43:20 -0600 |
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Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc14 Lightning/1.0b3pre Mnenhy/0.8.3 Thunderbird/3.1.10 |
On 06/22/2011 04:25 PM, Eric Cloninger wrote:
> # echo " 1 2 3 4" |grep -o "^ [0-9]"
> 1
> 2
> 3
> 4
>
> It would appear that -o chops up the input stream into a new line every time
> a match is found. However, I expect a "^...." grep to find only one result
> per line of input, regardless of the return method (whole line or
> only-matching). Bug or feature?
Which version of grep?
$ echo " 1 2 3 4" | grep -o '^ [0-9]'
1
$ grep (GNU grep) 2.8
and likewise for 2.9.
--
Eric Blake address@hidden +1-801-349-2682
Libvirt virtualization library http://libvirt.org
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- Bug or feature?, Eric Cloninger, 2011/06/22
- Re: Bug or feature?,
Eric Blake <=