Changes to the form-feed eject sequence for HP/PCL-based printers, plus a
better filter script for Ghostscript scan conversion for non-PostScript printers. It also updates the acknowledgements to credit those who've suggested the changes. PR: docs/8547 Submitted by: Sean Kelly <kelly@plutotech.com>
This commit is contained in:
Nik Clayton
parent
e201357174
commit
f2ac6a9f50
Notes:
svn2git
2020-12-08 03:00:23 +00:00
svn path=/head/; revision=4902
3 changed files with 129 additions and 24 deletions
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@ -1,7 +1,7 @@
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<!--
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The FreeBSD Documentation Project
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$Id: chapter.sgml,v 1.14 1999-04-08 21:51:14 nik Exp $
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$Id: chapter.sgml,v 1.15 1999-05-16 13:41:53 nik Exp $
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-->
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<chapter id="printing">
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@ -1370,8 +1370,7 @@ exit 2</programlisting>
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# Installed in /usr/local/libexec/hpif
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#
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# Simply copies stdin to stdout. Ignores all filter arguments.
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# Tells printer to treat LF as CR+LF. Writes a form feed character
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# after printing job.
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# Tells printer to treat LF as CR+LF. Ejects the page when done.
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printf "\033&k2G" && cat && printf "\033&l0H" && exit 0
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exit 2</programlisting>
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@ -2698,7 +2697,20 @@ first_two_chars=`expr "$first_line" : '\(..\)'`
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if [ "$first_two_chars" = "%!" ]; then
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#
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# It is PostScript; use Ghostscript to scan-convert and print it
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# It is PostScript; use Ghostscript to scan-convert and print it.
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#
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# Note that PostScript files are actually interpreted programs,
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# and those programs are allowed to write to stdout, which will
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# mess up the printed output. So, we redirect stdout to stderr
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# and then make descriptor 3 go to stdout, and have Ghostscript
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# write its output there. Exercise for the clever reader:
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# capture the stderr output from Ghostscript and mail it back to
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# the user originating the print job.
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#
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exec 3>&1 1>&2
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/usr/local/bin/gs -dSAFER -dNOPAUSE -q -sDEVICE=djet500 \
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-sOutputFile=/dev/fd/3 - && exit 0
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#
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/usr/local/bin/gs -dSAFER -dNOPAUSE -q -sDEVICE=djet500 -sOutputFile=- - \
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&& exit 0
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@ -2707,7 +2719,7 @@ else
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# Plain text or HP/PCL, so just print it directly; print a form
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# at the end to eject the last page.
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#
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echo "$first_line" && cat && printf "\f" && exit 0
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echo $first_line && cat && printf "\033&l0H" && exit 0
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fi
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exit 2</programlisting>
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@ -2999,7 +3011,7 @@ exec grops</programlisting>
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# Installed in /usr/local/libexec/hprf
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#
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printf "\033&k2G" && fpr && printf "\f" && exit 0
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printf "\033&k2G" && fpr && printf "\033&l0H" && exit 0
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exit 2</programlisting>
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<para>And we will add this line to the
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@ -4601,8 +4613,31 @@ total 337.00 154 $ 6.74</screen>
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<para>For the Ghostscript-to-HP filter.</para>
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</listitem>
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</varlistentry>
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<varlistentry><term>My wife, Mary Kelly
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<varlistentry>
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<term>&a.jfieber;</term>
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<listitem>
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<para> For debugging why printing from Windows 95 to a FreeBSD
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system simulating a PostScript printer with Ghostscript didn't
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produce correct output, and suggesting a fix, which is included
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herein.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>Stephen Montgomery-Smith
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<email>stephen@math.missouri.edu</email></term>
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<listitem>
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<para>For suggesting using "\033&l0H" instead of "\f" to eject
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the last page on HP printers; the latter could eject an extra
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blank page while the former never does.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>My wife, Mary Kelly
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<email>urquhart@argyre.colorado.edu</email></term>
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<listitem>
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@ -1,7 +1,7 @@
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<!--
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The FreeBSD Documentation Project
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$Id: chapter.sgml,v 1.14 1999-04-08 21:51:14 nik Exp $
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$Id: chapter.sgml,v 1.15 1999-05-16 13:41:53 nik Exp $
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-->
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<chapter id="printing">
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@ -1370,8 +1370,7 @@ exit 2</programlisting>
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# Installed in /usr/local/libexec/hpif
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#
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# Simply copies stdin to stdout. Ignores all filter arguments.
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# Tells printer to treat LF as CR+LF. Writes a form feed character
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# after printing job.
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# Tells printer to treat LF as CR+LF. Ejects the page when done.
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printf "\033&k2G" && cat && printf "\033&l0H" && exit 0
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exit 2</programlisting>
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@ -2698,7 +2697,20 @@ first_two_chars=`expr "$first_line" : '\(..\)'`
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if [ "$first_two_chars" = "%!" ]; then
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#
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# It is PostScript; use Ghostscript to scan-convert and print it
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# It is PostScript; use Ghostscript to scan-convert and print it.
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#
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# Note that PostScript files are actually interpreted programs,
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# and those programs are allowed to write to stdout, which will
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# mess up the printed output. So, we redirect stdout to stderr
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# and then make descriptor 3 go to stdout, and have Ghostscript
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# write its output there. Exercise for the clever reader:
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# capture the stderr output from Ghostscript and mail it back to
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# the user originating the print job.
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#
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exec 3>&1 1>&2
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/usr/local/bin/gs -dSAFER -dNOPAUSE -q -sDEVICE=djet500 \
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-sOutputFile=/dev/fd/3 - && exit 0
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#
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/usr/local/bin/gs -dSAFER -dNOPAUSE -q -sDEVICE=djet500 -sOutputFile=- - \
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&& exit 0
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@ -2707,7 +2719,7 @@ else
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# Plain text or HP/PCL, so just print it directly; print a form
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# at the end to eject the last page.
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#
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echo "$first_line" && cat && printf "\f" && exit 0
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echo $first_line && cat && printf "\033&l0H" && exit 0
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fi
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exit 2</programlisting>
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@ -2999,7 +3011,7 @@ exec grops</programlisting>
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# Installed in /usr/local/libexec/hprf
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#
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printf "\033&k2G" && fpr && printf "\f" && exit 0
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printf "\033&k2G" && fpr && printf "\033&l0H" && exit 0
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exit 2</programlisting>
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<para>And we will add this line to the
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@ -4601,8 +4613,31 @@ total 337.00 154 $ 6.74</screen>
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<para>For the Ghostscript-to-HP filter.</para>
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</listitem>
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</varlistentry>
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<varlistentry><term>My wife, Mary Kelly
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<varlistentry>
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<term>&a.jfieber;</term>
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<listitem>
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<para> For debugging why printing from Windows 95 to a FreeBSD
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system simulating a PostScript printer with Ghostscript didn't
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produce correct output, and suggesting a fix, which is included
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herein.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>Stephen Montgomery-Smith
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<email>stephen@math.missouri.edu</email></term>
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<listitem>
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<para>For suggesting using "\033&l0H" instead of "\f" to eject
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the last page on HP printers; the latter could eject an extra
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blank page while the former never does.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>My wife, Mary Kelly
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<email>urquhart@argyre.colorado.edu</email></term>
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<listitem>
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@ -1,7 +1,7 @@
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<!--
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The FreeBSD Documentation Project
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$Id: chapter.sgml,v 1.14 1999-04-08 21:51:14 nik Exp $
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$Id: chapter.sgml,v 1.15 1999-05-16 13:41:53 nik Exp $
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-->
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<chapter id="printing">
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@ -1370,8 +1370,7 @@ exit 2</programlisting>
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# Installed in /usr/local/libexec/hpif
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#
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# Simply copies stdin to stdout. Ignores all filter arguments.
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# Tells printer to treat LF as CR+LF. Writes a form feed character
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# after printing job.
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# Tells printer to treat LF as CR+LF. Ejects the page when done.
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printf "\033&k2G" && cat && printf "\033&l0H" && exit 0
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exit 2</programlisting>
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@ -2698,7 +2697,20 @@ first_two_chars=`expr "$first_line" : '\(..\)'`
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if [ "$first_two_chars" = "%!" ]; then
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#
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# It is PostScript; use Ghostscript to scan-convert and print it
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# It is PostScript; use Ghostscript to scan-convert and print it.
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#
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# Note that PostScript files are actually interpreted programs,
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# and those programs are allowed to write to stdout, which will
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# mess up the printed output. So, we redirect stdout to stderr
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# and then make descriptor 3 go to stdout, and have Ghostscript
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# write its output there. Exercise for the clever reader:
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# capture the stderr output from Ghostscript and mail it back to
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# the user originating the print job.
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#
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exec 3>&1 1>&2
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/usr/local/bin/gs -dSAFER -dNOPAUSE -q -sDEVICE=djet500 \
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-sOutputFile=/dev/fd/3 - && exit 0
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#
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/usr/local/bin/gs -dSAFER -dNOPAUSE -q -sDEVICE=djet500 -sOutputFile=- - \
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&& exit 0
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@ -2707,7 +2719,7 @@ else
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# Plain text or HP/PCL, so just print it directly; print a form
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# at the end to eject the last page.
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#
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echo "$first_line" && cat && printf "\f" && exit 0
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echo $first_line && cat && printf "\033&l0H" && exit 0
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fi
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exit 2</programlisting>
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@ -2999,7 +3011,7 @@ exec grops</programlisting>
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# Installed in /usr/local/libexec/hprf
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#
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printf "\033&k2G" && fpr && printf "\f" && exit 0
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printf "\033&k2G" && fpr && printf "\033&l0H" && exit 0
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exit 2</programlisting>
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<para>And we will add this line to the
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@ -4601,8 +4613,31 @@ total 337.00 154 $ 6.74</screen>
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<para>For the Ghostscript-to-HP filter.</para>
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</listitem>
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</varlistentry>
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<varlistentry><term>My wife, Mary Kelly
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<varlistentry>
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<term>&a.jfieber;</term>
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<listitem>
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<para> For debugging why printing from Windows 95 to a FreeBSD
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system simulating a PostScript printer with Ghostscript didn't
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produce correct output, and suggesting a fix, which is included
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herein.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>Stephen Montgomery-Smith
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<email>stephen@math.missouri.edu</email></term>
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<listitem>
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<para>For suggesting using "\033&l0H" instead of "\f" to eject
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the last page on HP printers; the latter could eject an extra
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blank page while the former never does.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>My wife, Mary Kelly
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<email>urquhart@argyre.colorado.edu</email></term>
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<listitem>
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