On Wednesday 05 February 2003 15:00, Lee Herron wrote:
> Okay, so I want to open a file, get a small number from it (less than 3
> digits) then overwrite a new number (incremented the original by 1) and
> close the file.
>
> The goal is to do this in the fastest way possible .. it seems that there
> should be a way of doing this without having to open and close the file
> twice.
>
> I've tried:
> $cfile = fopen("lcnt.txt", 'r+');
> $lcnt = fgets($cfile,10);
>
> This results in $lcnt having a value of 1 (loaded from value within text
> file)
>
> Now, if I increment it:
>
> $nc = $lcnt+1;
>
> then write it back to the file:
>
> $nul = fwrite($cfile, $nc);
>
> It writes starting at where the last read left off -- I want to start at
> zero offset so to overwrite the existing value. I can't find a method for
> resetting the offset pointer without having to close the file and reopen it
> with w+
>
> There must be a simpler way to do this ...RTFM -- rewind(), fseek(). -- Jason Wong -> Gremlins Associates -> www.gremlins.biz Open Source Software Systems Integrators * Web Design & Hosting * Internet & Intranet Applications Development * ------------------------------------------ Search the list archives before you post http://marc.theaimsgroup.com/?l=php-general ------------------------------------------ /* There is no act of treachery or mean-ness of which a political party is not capable; for in politics there is no honour. -- Benjamin Disraeli, "Vivian Grey" */ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
