----- Original Message -----
From: "Oliver Hankeln" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, June 17, 2004 9:13 AM
Subject: Re: [PHP] Read Last Lines of a Text File
> Scott Miller wrote:
>
> >>* Thus wrote Scott Miller ([EMAIL PROTECTED]):
> >>
> >>>I have a text file (log file) that I want to be able to read the last
30
> >
> > or
> >
> >>>40 lines of. I've created the code below, but since this file is so
> >
> > large
> >
> >>>(currently 8 MB) it won't work. The code works on smaller files, but
> >
> > not
> >
> >>>this one. Can someone look at this below and tell me where I went
> >
> > wrong?
> >
> >>>...
> >>>
> >>>$fcontents = file($filename);
> >>
> >>This will make your script consume lots of memory, and is very
> >>inefficient.
> >>
> >>You'd be better of using the unix tail command:
> >>
> >>$fp = popen("/usr/bin/tail -$limit $file", 'r');
> >>if (! $fp ) {
> >> echo 'unable to pipe command';
> >>}
> >>while (!feof($fp) ) {
> >> $line = fgets($fp);
> >> print $line;
> >>}
> >>
> >>Of course if you're simply going to output the results a simple:
> >>
> >> system("/usr/bin/tail -$limit $file");
> >>
> >>Would do the job nicely.
> >>
> >>
> >>Curt
> >>--
> >>First, let me assure you that this is not one of those shady pyramid
> >
> > schemes
> >
> >>you've been hearing about. No, sir. Our model is the trapezoid!
> >>
> >>--
> >
> >
> > I've changed my script to the following:
> >
> > <?php
> >
> > $file ="/var/log/radius.log";
> >
> > $fp = popen("/usr/bin/tail -$limit $file", 'r');
> > if (! $fp ) {
> > echo 'unable to pipe command';
> > }
> > while (!feof($fp) ) {
> > $line = fgets($fp);
> > print $line;
> > }
> > ?>
> >
> > And now get the following errors:
> >
> > Warning: Wrong parameter count for fgets() in /var/www/html/logs2.php on
> > line 10
> >
> > I get this over and over and over (like it's producing the error once
per
> > line in the log file).
>
> prior to PHP 4.2 you had to use a second parameter for fgets. This
> parameter is the maximum length per line to read.
> $line = fget($fp,4096);
> will probably work.
>
> HTH,
> Oliver
Changed that line as shown above, and now get the following error:
Fatal error: Call to undefined function: fget() in /var/www/html/logs2.php
on line 11
Thanks,
Scott
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