adding text into a file

Anon

How can I add text into a file without overwriting data ?

I don't manage to insert text into a file and to keep the previous and the following data.

Thanks.

Anon

This may work ...

$fp=fopen($filename, 'a+');
fwrite($fp,"$str \n");
fclose($fp);

polson

The key to this is :

http://www.php.net/manual/en/function.fopen.php

Note the "MODE" setting used. You may be using mode "w" which will essentially rewrite the file. Mode "a" appends to it. You must use a little trickery to prepend to the file.

And lastly, please keep posts to one forum, not two.

kparker

You must use a little trickery to prepend to the file.

Hmm, this must be some new meaning of the word "little" I haven't seen before. In order to <i>insert</i> data into a text file (prepending is merely a special case of this, involving inserting data before the first line of the file) you must completly rewrite the file. That's not "little" in my book. :-)

Anon

it is possible. i read in the comments on the PHP manual that you can use

$fp = fopen("filename.txt","aw");

this apparantly combines the append function, as in not deleting the contents of the file, and also the write function, which places the file pointer at the beginning of the file.

i haven't tried it but i think it will work. saves having to re-write the entire file :-)