03-29-2008
I guess the actual problem is that you are comparing the lines before throwing out the fields you don't want to include in the comparison. Before you print, copy the print value to a hash, and if the hash already contains the value, don't print. (Or take the Perl script I gave you and pipe to sort -u -- that's what I would do.)
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DVIHP(1) General Commands Manual DVIHP(1)
NAME
dvihp - convert a TeX DVI file to Hewlett-Packard PCL
SYNOPSIS
dvihp [options] dvifile[.dvi]
DESCRIPTION
dvihp translates the given dvifile to Hewlett-Packard PCL using dvicopy(1) then $DVILJ (dvilj4 by default).
In the absence of other options, pipe the PCL to $SPOOL (lpr by default).
OPTIONS
Options are recognized from dvips where possible:
-A print odd pages
-B print even pages
-d n set debug bits to n (see documentation)
-D n set resolution to n
-f run as filter
-l n don't print pages after n
-m manual feed
-n n print n pages
-O a,b set/change paper offset to a,b mm.
-o s output to s instead of spooling
-p n don't print pages before n.
-Ps pass directly to lpr.
-v verbose operation.
-x n set magnification to n.
--help write usage summary.
Other options are passed to the dvilj program.
BUGS
Email bug reports to tex-k@tug.org.
SEE ALSO
dvicopy(1), dvilj4(1).
December 24, 2009 DVIHP(1)