[cups-devel] [UNKN] STR #4710: File Backend print only first file from multiple file jobs.

[Alexander Sokolov]

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[STR New]

Currently, file backend does not support sending multiple files in one
print job. Only the first file of the print job is taken into account. 

Actually CUPS create all files in /var/spool/cups/directory, but file
backend receive only name of the first file as argv[6].
http://www.cups.org/documentation.php/doc-2.1/api-filter.html

I see 2 solutions. 
1. Send all file names as command line argument, argv[6] and above
arguments. But it would break backward compatibility. 

2. Send a list of files in the argument "options" (argv[5]).

Link: https://www.cups.org/str.php?L4710
Version: -feature
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