"Anthony J. Bentley" <anth...@cathet.us> writes: > Ted Unangst writes: >> Once upon a time, I used to scan things like this: >> scanimage > scan.pnm >> >> (I'd usually just pipe it into other commands, but something like >> that. Just like it says in the man page.) >> >> Now the trouble is, the rest of my pipeline is failing because instead >> of printing a pnm file, scanimage is printing "Failed cupsGetDevices" >> followed by the scan output. pnm files are not supposed to start with >> the magic phrase "Failed cupsGetDevices", and so the pnm utilities are >> now refusing to operate on my scans.
It's sad that you didn't speak up earlier. The ports tree is locked. >> Why is this happening? How do I make it stop? > > I don't know the cause of the warning or how to fix it, but the fact that > it goes to stdout is an upstream bug; see: > https://alioth.debian.org/tracker/index.php?func=detail&aid=313851&group_id=30186&atid=410366 > > Supposedly it has been fixed, but apparently the entire file has since been > rewritten (unless I'm misreading the source) so it's not a simple patch to our > current port. > > Workaround in the meantime: pipe through grep -v. Anyone with a better fix, > or a way to make the warning simply not appear? grep -v or sed 1d or one of those: - comment the "net autodiscovery" line in your kodakaio.conf - completely unhook the kodakaio backend (dll.conf) - enable cupsd For when the ports tree is unlocked, or for those who want a local patch for 5.3-stable, the quick'n'dirty...: Index: Makefile =================================================================== RCS file: /cvs/ports/graphics/sane-backends/Makefile,v retrieving revision 1.54 diff -u -p -r1.54 Makefile --- Makefile 5 Jan 2013 12:53:09 -0000 1.54 +++ Makefile 25 Feb 2013 22:41:29 -0000 @@ -3,7 +3,7 @@ COMMENT= API for accessing scanners, backends DISTNAME= sane-backends-1.0.23 -REVISION= 0 +REVISION= 1 SHARED_LIBS= sane 2.0 # .1.0 CATEGORIES= graphics Index: patches/patch-backend_kodakaio_c =================================================================== RCS file: patches/patch-backend_kodakaio_c diff -N patches/patch-backend_kodakaio_c --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ patches/patch-backend_kodakaio_c 25 Feb 2013 23:04:28 -0000 @@ -0,0 +1,13 @@ +$OpenBSD$ +Don't print error messages on stdout (corrupts output). +--- backend/kodakaio.c.orig Mon Feb 25 23:40:02 2013 ++++ backend/kodakaio.c Mon Feb 25 23:40:57 2013 +@@ -2197,7 +2197,7 @@ First version only does autodiscovery */ + + reply = cupsGetDevices(CUPS_HTTP_DEFAULT, CUPS_TIMEOUT_DEFAULT, + "dnssd", CUPS_EXCLUDE_NONE, ProcessDevice, Dummy); +- if(reply != IPP_OK) printf("Failed cupsGetDevices\n"); ++ if(reply != IPP_OK) fprintf(stderr, "Failed cupsGetDevices\n"); + + return 0; + }
