ifhp revision 225736 
138465Smsmith#!/bin/sh
238465Smsmith#
338465Smsmith#  ifhp - Print Ghostscript-simulated PostScript on a DesJet 500
438465Smsmith#  Installed in /usr/local/libexec/hpif
538465Smsmith
638465Smsmith#
738465Smsmith#  Treat LF as CR+LF:
838465Smsmith#
938465Smsmithprintf "\033&k2G" || exit 2
1038465Smsmith
1138465Smsmith#
1238465Smsmith#  Read first two characters of the file
1338465Smsmith#
1438465Smsmithread first_line
1538465Smsmithfirst_two_chars=`expr "$first_line" : '\(..\)'`
1638465Smsmith
1738465Smsmithif [ "$first_two_chars" = "%!" ]; then
1838465Smsmith    #
1938465Smsmith    #  It is PostScript; use Ghostscript to scan-convert and print it
2038465Smsmith    #
2138465Smsmith    /usr/local/bin/gs -dSAFER -dNOPAUSE -q -sDEVICE=djet500 -sOutputFile=- - \
2238465Smsmith        && exit 0
2338465Smsmith
2438465Smsmithelse
2538465Smsmith    #
2638465Smsmith    #  Plain text or HP/PCL, so just print it directly; print a form
27124140Sobrien    #  at the end to eject the last page.
28124140Sobrien    #
29124140Sobrien    echo "$first_line" && cat && printf "\f" && exit 0
3038465Smsmithfi
31234898Smarius
32234898Smariusexit 2
3367227Sobrien