php文件处理：http://www.jb51.net/w3school/php/php_file.htm

复制代码 代码如下:

<?php

$filename=dirname(__FILE__)."/readfrom.txt";

$ofilename=dirname(__FILE__)."/writeto.txt";

if(!file_exists($filename)){

echo $filename." not found!";

exit;

}

$fp=fopen($filename,"r");

$fo = fopen($ofilename,"w");

while(!feof($fp)){

$record=fgets($fp);

if($record!=NULL){

$record_arr=explode("t", $record);

fwrite($fo,$record,strlen($col));

}

}

fclose($fo);

fclose($fp);

?>