data from stdin to filters.
Michael Sweet
msweet at apple.com
Tue Nov 10 22:07:26 PST 2009
On Nov 10, 2009, at 9:25 PM, sateesh wrote:
> Hi,
>
> In the filter rastertolabel argv[6] is NULL, it mean that print data
> is coming from the stdin. But the actual print data is stored in a
> d000xxx file in spool directory. filters are not getting the path to
> this spool file in argv[6].
>
> Can anyone tell me the print data flow from scheduler to filters,
> filters to backend. Is the print data is sent to filters through the
> argv[6] argument or through the stdin.
>
> In my case filters used are pstops -> pstoraster -> rastertolabel.
Please read the documentation included with CUPS. The current
documentation is here:
http://www.cups.org/documentation.php
In short, the first filter gets the print filename in argv[6], and
every filter the follows MUST read from stdin and DOES NOT get the
print filename in argv[6].
___________________________________________________
Michael Sweet, Senior Printing System Engineer
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