In the Perl script there is the following code portion:
----------
finished=0
while [ $finished = 0 ]; do
perl -e 'my $content = join("", <>); $content =~
s:(CustomMedia\s*\")([^\s\.\/]+)(\/([^\"]+?\s+|))(\S+\"([^\n]*\n){0,4}\s*CustomMedia\s*\")(\2)(.Duplex)(\/[^\"]*?\s*)(AutoDuplex
):\1\2.SM\3Small Margins \5\7\9:smgi; print $content' $f > $f.new 2>/dev/null
----------
The third line of this code portion is a perl call with a very long
regular expression, containing "{0,4}" at some point. Can you replace
this by "{0,100}?". Does this improve the result, leading to less
failing PPDs? Or does it totally solve the problem? Or does it even
cause new problems. If it does not solve the problem completely, try
using a higher number than 100, but do not use numbers causing new
problems. Try also to replace the "{0,4}" expression by "*?". Does this
solve the problem without causing new failures?
Another question: How do you determine failures? All the time with "ppdc
-t <file>.drv"? And to which file do you apply it? To the one installed
into the system as "/usr/share/cups/drv/hpcups.drv"? Or to another file?
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https://bugs.launchpad.net/bugs/1568996
Title:
Duplex printing does not work properly for HP printers
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