while( ){ my $pkg = "c:\\acrobat5.exe /a /s /sms /f1$_"; system $pkg; } __DATA__ [InstallShield Silent] Version=v5.00.000 File=Response File [File Transfer] OverwriteReadOnly=NoToAll [DlgOrder] Dlg0=SdWelcome-0 Count=3 Dlg1=SdAskDestPath-0 Dlg2=MessageBox-0 [SdWelcome-0] Result=1 [SdAskDestPath-0] szDir=C:\Program Files\Adobe\Acrobat 5.0 Result=1 [Application] Name=Reader Version=5.0 Company=Adobe Lang=0009 [MessageBox-0] Result=1