Posted by "Richard Lynch" on 01/14/06 00:21

On Fri, January 13, 2006 8:37 am, Albert wrote:
> Wolf wrote:
>> I have large log files from a web server (about a gig in size) and
>> need
>> to parse each line looking for a string, and when encountered push
>> that
>> line to a new file. I was thinking I could have PHP read in the
>> whole
>> file, but thinking it could be a major pain since I have about 20
>> log
>> files to read through.
>>
>> Anyone have some suggestions?
>
> Is this on a Linux server?
>
> Why don’t you use grep?
>
> cat <filename> | grep <string> > <newfile>

If you DO use grep, don't cat the whole file out to grep it...

grep __filename__ > __newfile__

cat on a 1 GIG file is probably a bit wasteful, I suspect...

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