save input file before filter processing

[Paul Conklin]

correct, I put my filter first in line by giving it a "cost" of 0

> Myska Ludek wrote:
>
> > I read documentation about file mime.convs.I found filter definition for
> > printed file.I change the file with add lines:
> >
> > application/postscript application/psacoounting 100 psaccounting
> > application/psaccounting application/vn.cups-postscript 100 pstops
> >
> > Then i place file to /usr/lib/cups/filters/psaccounting make executable
> > for anyone with this content: ---
> > #!/bin/bash
> >
> > echo $6 > /tmp/`date`.ps
> > exit
> > ---
> > Just test script.But when i print poscript file nothing happend.No file in
> > tmp. No error in cups log.Then i read documentation second time and i find
> > line with recomendation to store own conv file to /etc/cups/.I dit it and
> > nothing happend. How i change mime.convs file to make any change in filter
> > processing?
> >
> >> Yes, there is.  $6 is the print job pre filters, you would just need to
> >> insert your filter first in the chain via the .convs process
> >> > Hi.
> >> > I use windows generic postscript and cupsaddsmb to assing driver to
> >> > printer and share this driver to network.Then i use tea4cups and
> >> > pkpgcounter for job accounting a then send print to real backend with
> >> > driver for printer.And here is a problem.If printert can print
> >> > postscript there is no problem with accounting.If print use only
> >> > pcl(5,5e,6) pkpgcounter dont work well but printing is fine. Is there a
> >> > way to catch print job (postscript from windows clients) before run
> >> > thrue filter pstopxl a send him to pkpgcounter or to another printer
> >> > with tea4cups backend ?. I use Debian GNU/Linux 6.4 i386 in vmware and
> >> > samba is connected to windows active directory.samba v3.5.4 and cups
> >> > v1.4.4.Sorry for my bad english.
> >>
>
> First, as your filter is not the very first one in the chain, $6 son't be
> defined, instead the data are expected to be read from STDIN. And you need
> to write the output of your filter (which is the input to the next filter or
> the backend) to STDOUT.
> So you script should do a check if $6 is defined, then use the cat command
> to write your temp file, and then cat the temp file o STDOUT agein.
>
> Second, in your xxx.convs, you should write
> application/vnd.cups-postscript
>
> Helge
>