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From Ken Robinson <kenrb...@rbnsn.com>
Subject Re: [users@httpd] Delete Blank Lines In A Text File
Date Tue, 27 Dec 2005 21:53:34 GMT
Quoting Christopher Deeley <chrisdeeleyuk@gmail.com>:

> Does anyone know how to use PHP to delete blank lines in a text file. I use
> a text file to store usernames and passwords but with adding and deleting
> users, blank lines appear which returns an undefined offset error when the
> 'verify user script' tries to read each line of the text file.

Here's a short script:
   <?php
    $input = file('your_input_file.here'); // read file into the array $input
    $fp = fopen('your_output_file.here');
    foreach ($input as $line)
        if (trim($line) != '') fwrite($line);  // if the line isn't blank write
it out
    fclose($fp);
   ?>


Ken


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