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<?php
exec("/bin/grep-r'$oldword'$rootpath",$results,$errorCode);
if($errorCode){
if($errorCode==1){
echo"Possiblynofileswerefoundwith?$oldwordinthem
n";
}
echo"OSError:$errorCode
n";
echo"Check'manerrno'andcountdown
n";
echo"Usuallypaths/permissions
n";
}
while(list(,$path)=each($results)){
$parts=explode(':',$path);
$path=$parts[0];
$fp=fopen($path,'r')orprint("Cannotread$path
n");
if($fp){
$data=fread($fp,filesize($path));
fclose($fp);
$newdata=str_replace($oldword,$newword,$data);
$fp=fopen($path,'w')orprint("Cannotwrite$path
n");
if($fp){
fwrite($fp,$newdata);
fclose($fp);
echo$path,"
n";
}
}
}
?> （编辑：安卓应用网）
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