Mirek Kwasniak wrote: > > #! /bin/sh > > gs -sDEVICE=pbmraw -q -dNOPAUSE -r600 -sOutputFile=- - | \ > > pbm2ppa - - | > ^ > Why this pipe? pbm2ppa converts the ghostscript output into something my HP 720 can understand (ppa?). The above script is verbatum from the pbm2ppa documentation. I have tested the above script and pbm2ppa program and can directly send a postscript file to the printer, I just can spool it with lprng.
> When I have problems with filters I use tracing, try change your filter to: > > #! /bin/sh > ( > set -x > gs -sDEVICE=pbmraw -q -dNOPAUSE -r600 -sOutputFile=- - | \ > pbm2ppa - - > ) 2> /tmp/printer.log > I tried this and the file /tmp/printer.log wasn't created, suggesting to me that lprng didn't even to as far as trying to filter the file? > What is in /var/log/lp-acct and in /var/log/lp-errs ? lp-errs is empty. lp-acct contains: jobstart '-Hlf2220f.umd.edu' '-ndave' '-Plp' '-kcfA949lf2220f.umd.edu' '-b16213' '-t1999-12-03-08:38:19.000' jobend '-Hlf2220f.umd.edu' '-ndave' '-Plp' '-kcfA949lf2220f.umd.edu' '-b16213' '-t1999-12-03-08:38:19.000' jobstart '-Hlf2220f.umd.edu' '-ndave' '-Plp' '-kcfA035lf2220f.umd.edu' '-b16213' '-t1999-12-03-08:46:41.000' jobend '-Hlf2220f.umd.edu' '-ndave' '-Plp' '-kcfA035lf2220f.umd.edu' '-b16213' '-t1999-12-03-08:46:42.000' jobstart '-Hlf2220f.umd.edu' '-ndave' '-Plp' '-kcfA084lf2220f.umd.edu' '-b16399' '-t1999-12-03-08:56:22.000' jobend '-Hlf2220f.umd.edu' '-ndave' '-Plp' '-kcfA084lf2220f.umd.edu' '-b16399' '-t1999-12-03-08:56:23.000' The rights on all relevant files (pbm2ppa, filter script, /var/lpd, etc) daemon.lp. Thanks for your help. Dave
