Hello, As always, sorry for my bad english. here is the code i have #include <File.au3> #include <String.au3> $file1 = "d:\doppioniautoit\international.txt" FileOpen($file1, 0) $file2 = "d:\doppioniautoit\standard.txt" FileOpen($file2, 0) For $i = 1 to _FileCountLines($file1) $line = FileReadLine($file1, $i) $aExtract = _StringBetween($line, "(", ")") ;MsgBox(0, $line, $aExtract[0]) $itime = TimerInit()&#