Try unlink("$file_name") then fopen("$file_name","rw")
unlink() deletes the whole file from the directory.
Hope this helps.
Hugh
----- Original Message -----
From: "Jas" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, June 03, 2002 8:37 AM
Subject: [PHP] delete file contents before writing?
> Not sure how I could do this as I could not find a functions on php.net to
> allow me to first delete the entire contents of a file "before" writting
the
> changes supplied by a textarea. Here is what I have thus far:
> Page one - Form:
> <?php
> $file_name = 'blank.php';
> $open_file = fopen("$file_name","rw");
> if (!$open_file) {
> die("cannot open $file_name");
> } else {
> $read_file = fread($open_file, filesize($file_name));
> $strip_php = eregi_replace("<","&a&", $read_file);
> fclose($open_file);
> }
> ?>
> <form name="edit_passwords" method="post" action="edit_passwords.php">
> <textarea name="passwords" cols="60" rows="7"><?php echo $strip_php;
> ?></textarea>
> <br>
> <input type="submit" name="save" value="save">
> </form>
> Page two - open file and write changes:
> <?php
> if (!$passwords) {
> header ("Location: index.php");
> } else {
> $file_name= "blank.php";
> $file_open = fopen($file_name, "r+");
> eregi_replace("&a&","<", $file_open);
> #eregi_replace("\","", $file_open);
> fwrite($file_open, $passwords);
> print ("$passwords was written to $file_name"); }
> ?>
> As of right now it opens the file and writes your changes, however it
simply
> goes to the end of the file then begins writting. I would like to delete
> the contents of the file, then write the changes.
> Any help or pointers are appreciated!
> Jas
>
>
>
> --
> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, visit: http://www.php.net/unsub.php
>
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
