Re: counting number of lines in file() that match a regexp
| From: | Papp Gyozo | Date: | Fri, 05 Oct 2001 13:55:49 +0000 |
| Subject: | Re: counting number of lines in file() that match a regexp | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-70105@lists.php.net to get a copy of this message | ||
Hello,
$content = file('myfile.txt');
$total = count(preg_grep('|^1,|', $content));
BTW: if you are fan of regular expressions, you may try the PERL compatible
regular functions, like: preg_grep. These ones are more powerful than simple
ereg*() functions.
ps.: sorry for the late response.
----- Original Message -----
From: "Kurt Lieber" <php@kirpatrick.com>
To: <php-general@lists.php.net>
Sent: Sunday, September 16, 2001 8:20 PM
Subject: [PHP] counting number of lines in file() that match a regexp
> I'm trying to take a text file and count the number of lines that match
> a regexp. I've got it working using the following code:
>
> $data = file("myfile.txt");
> $total = 0;
> foreach($data as $i) {
> if (ereg("^1,",$i)) {
> $total = $total + 1;
> }
> }
>
> but I'm still learning PHP and am wondering if there's an easier/better
> way to do this?
>
> Thanks.
>
> --kurt
>
>
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