freebsd-src/share/examples/printing/hpdf
Wolfram Schneider f5bc5997b2 printing examples, automatically generated from
src/share/doc/handbook/printing.sgml with src/tools/tools/epfe/epfe.pl
1997-01-02 22:47:46 +00:00

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#!/bin/sh
#
# hpdf - Print DVI data on HP/PCL printer
# Installed in /usr/local/libexec/hpdf
PATH=/usr/local/bin:$PATH; export PATH
#
# Define a function to clean up our temporary files. These exist
# in the current directory, which will be the spooling directory
# for the printer.
#
cleanup() {
rm -f hpdf$$.dvi
}
#
# Define a function to handle fatal errors: print the given message
# and exit 2. Exiting with 2 tells LPD to do not try to reprint the
# job.
#
fatal() {
echo "$@" 1>&2
cleanup
exit 2
}
#
# If user removes the job, LPD will send SIGINT, so trap SIGINT
# (and a few other signals) to clean up after ourselves.
#
trap cleanup 1 2 15
#
# Make sure we are not colliding with any existing files.
#
cleanup
#
# Link the DVI input file to standard input (the file to print).
#
ln -s /dev/fd/0 hpdf$$.dvi || fatal "Cannot symlink /dev/fd/0"
#
# Make LF = CR+LF
#
printf "\033&k2G" || fatal "Cannot initialize printer"
#
# Convert and print. Return value from dvilj2p does not seem to be
# reliable, so we ignore it.
#
dvilj2p -M1 -q -e- dfhp$$.dvi
#
# Clean up and exit
#
cleanup
exit 0