Am Dienstag, 20. November 2007 14:01:05 schrieb m. allan noah: > On 11/20/07, Johannes Meixner <jsmeix at suse.de> wrote: > > > > Hello, > > > > On Nov 19 15:38 m. allan noah wrote (shortened): > > > why are you trying to use the -T? > > > > I thought "scanimage -d... -T" is the right way to do a test? > > > > I use it in the YaST scanner config tool to provide a [Test] option > > for the user to test if his scanner/backend combination works. > > > > Should I better use "scanimage -d... >/dev/null" for a test? > > the -T test just tries using a variety of buffer sizes during the data > transfer, followed by a cancel (instead of completing the scan) IIRC. > This might put some scanners/backends into a funk, as they dont > properly implement the cancel. > > i would not assume that every scanner/backend combination will act > properly with -T. >
But in fact they should! A real working cancel is essential for a good working frontend - IMHO! Otherwise you always have to wait until a scan has finished even if you see that it's crap - not really user-friendly. - Gerhard
