Re: Read Last Lines of a Text File

Try adding number of bytes to read. $line = fgets($fp, 4096); > >> * Thus wrote Scott Miller (srmiller@interbel.net): >> > 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). > > Thanks, > Scott