bug#36960: closed (mistake with v param)

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Your message dated Thu, 2 Jan 2020 01:46:24 -0800
with message-id <address@hidden>
and subject line Re: bug#36960: mistake with v param
has caused the debbugs.gnu.org bug report #36960,
regarding mistake with v param
to be marked as done.

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36960: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=36960
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> --- Begin Message ---
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> Subject: 
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> mistake with v param
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> Date: 
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> Wed, 7 Aug 2019 17:45:32 +0200
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> User-agent: 
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> Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0
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> hi to all.
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> for first i'm very sorry for my english..
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> when i'm using grep in this way to get the module path:
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>     cd $(sudo modprobe -v --show-depends r8168 | grep -Eoi 
> "(\/[[:alnum:]\.\-]+){1,}" | grep -ivE "[a-z]{1}[0-9]+\.ko$")
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> ...it return nothing
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> but if i switch '-v' to '-o' to test the command, it will print the right :
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>     $ sudo modprobe -v --show-depends r8168 | grep -Eoi 
> "(\/[[:alnum:]\.\-]+){1,}" | grep -ioE "[a-z]{1}[0-9]+\.ko$"
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>     $ r8168.ko
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> so why the '-o' option check the regular exp, but the '-v' don't do his 
> job??
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> Many Thanks
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> Regards
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> --- End Message ---
> --- Begin Message ---
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> Subject: 
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> Re: bug#36960: mistake with v param
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> Date: 
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> Thu, 2 Jan 2020 01:46:24 -0800
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> User-agent: 
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> Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2
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> On 8/7/19 8:45 AM, Daniele Grassini wrote:
> > so why the '-o' option check the regular exp, but the '-v' don't do his job??
>
> The -v option was working as documented. It means, "select lines that *don't"
> match the pattern", and since all input lines matched your pattern grep didn't
> output anything.
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> --- End Message ---