From: ben <brouits@free.fr>
To: linux-c-programming@vger.kernel.org
Subject: Re: extract the data from buffer
Date: Fri, 16 Jan 2009 18:31:23 +0100 [thread overview]
Message-ID: <4970C46B.2010009@free.fr> (raw)
In-Reply-To: <200901161155.08177.jesse@eloquentpeasant.net>
there are also POSIX regular expressions, bundled with the libc.
$ man regcomp or man regex (same)
this is highly portable, and already in libc. those RE are the same as
sed's expressions (except shell escapes are not needed).
Jesse Ruffin a écrit :
> If you really want to use Perl style regular expressions, use libpcre (www.pcre.org). It will be available in your package manager, and probably already installed. If you don't need the full functionality of a regex, look into the scanf family of functions.
>
> Jesse Ruffin
>
> On Friday 16 January 2009 10:54:11 Jai Sharma wrote:
>> Hi
>>
>> I want to extract variables values from a string buffer. Can anyone
>> pleease tell me how can i do that.
>> In C how to use perl like regular expressions.
>>
>>
>> Channel Location State Application(Data)
>> SIP/5078-099b4b48 s@newvcci:1 Ringing AppQueue((Outgoing Line))
>> SIP/66.119.60.21-099 s@tracphone:6 Up Queue(tracphone||||3600)
>> SIP/5080-09964168 s@newvcci:1 Up Bridged Call(SIP/66.119.60.21-
>> SIP/66.119.60.21-099 s@tracphone:6 Up Queue(tracphone||||3600)
>> SIP/5079-09924998 s@newvcci:1 Up Bridged Call(SIP/66.119.60.21-
>> SIP/66.119.60.21-099 s@tracphone:6 Up Queue(tracphone||||3600)
>> SIP/5041-0993ee38 s@newvcci:1 Up Bridged Call(SIP/66.119.60.21-
>> SIP/66.119.60.21-099 s@tracphone:6 Up Queue(tracphone||||3600)
>> SIP/5010-098e7760 tsihomephoneservice@ Up Bridged Call(SIP/63.111.11.135
>> SIP/63.111.11.135-09 tsihomephoneservice@ Up Queue(tsihomephoneservice||||9
>> 10 active channels
>> 5 of 200 max active calls ( 2.50% of capacity)
>>
>>
>> I want to extract three numeric data fields from last line:
>> as
>>
>> %d of %d max active calls ( %l% of capacity)
>> result : 5,200,2.50
>>
>> means 2.5
>>
>>
>> Thanks and Regards
>>
>> Jai
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next prev parent reply other threads:[~2009-01-16 17:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-16 15:54 extract the data from buffer Jai Sharma
2009-01-16 16:55 ` Jesse Ruffin
2009-01-16 17:31 ` ben [this message]
2009-01-16 17:47 ` ben
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