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|
#! /bin/sh
# -*- sh -*-
#
# $ApsCVS: src/apsfilter/bin/apspreview.in,v 1.1.2.6 2002/03/03 20:21:14 andreas Exp $
#
# apspreview by Michael Loin
#
# create a temporary PostScript file using apsfilter and preview it
#
error()
{
echo >&2 "error: $1"
rm -rf "$APS_TMPDIR"
exit 1
}
usage()
{
cat >&2 <<EOF
apspreview: preview a file as it would be printed by apsfilter
Usage:
apspreview [-h] [-P queue] [-Z options] [input...]
Options:
-h show this help
-P queue name of printer queue to be used for apsfilter
(default: value of '\$PRINTER'; otherwise 'lp')
-Z options comma separated option list
(default: empty)
input input file(s)
(default: stdin)
EOF
exit 0
}
# look for a PostScript viewer
if type gv > /dev/null 2>&1; then
viewer=gv
elif type kghostview > /dev/null 2>&1; then
viewer=kghostview
elif type ghostview > /dev/null 2>&1; then
viewer=ghostview
else
error "can't find a suitable PostScript viewer"
fi
QUEUE=${PRINTER:-lp}
unset Z_OPTS INPUT_FILES
# parse commandline
while [ "$1" ]; do
case "$1" in
-P) shift; QUEUE="$1" ;;
-P*) QUEUE="${1#-P}" ;;
-Z) shift; Z_OPTS="-Z$1" ;;
-Z*) Z_OPTS="$1" ;;
-h|--help) usage ;;
-*) error "unknown option '$1'" ;;
*) # silly construction to allow spaces in filenames
INPUT_FILES="$INPUT_FILES
$1" ;;
esac
shift
done
# if the queue name is an alias, parse printcap for the original name
if [ ! -d "$APS_CONFDIR/$QUEUE" ]; then
# quote forward slashes
q=$(echo "$QUEUE" | sed 's%/%\\/%')
q=$("@awk@" -F":" "/^${q}[|:]|^[^#].*\|${q}[|:]/,/^#/ \
{ if (\$0 ~ /:sd=/) print \$2 }" < "@printcap@")
if [ "$q" ]; then
QUEUE="${q##*/}"
else
error "couldn't resolve printer name '$QUEUE' in @printcap@"
fi
fi
if [ ! -f "@sysconfdir@/apsfilter/$QUEUE/apsfilterrc" ]; then
error "no configuration file found for queue '$QUEUE'"
fi
# create temporary configuration directory
: ${TMPDIR:=/tmp}
APS_TMPDIR="$TMPDIR/apspreview$$"
rm -rf "$APS_TMPDIR"
mkdir -m 700 "$APS_TMPDIR"
if [ $? -ne 0 ]; then
APS_TMPDIR=`mktemp -q -d "$TMPDIR/apspreview.XXXXXX"` \
|| error "can't create temporary directory"
chmod 700 "$APS_TMPDIR"
fi
trap 'rm -rf "$APS_TMPDIR"' 0
ln -s "@datadir@/apsfilter" "$APS_TMPDIR/basedir"
mkdir "$APS_TMPDIR/$QUEUE" || error "can't create temporary directory"
# use global configuration files (if available)
if [ -f "@sysconfdir@/apsfilter/apsfilterrc" ]; then
ln -s "@sysconfdir@/apsfilter/apsfilterrc" "$APS_TMPDIR/apsfilterrc"
fi
if [ -f "@sysconfdir@/apsfilter/restrictions" ]; then
ln -s "@sysconfdir@/apsfilter/restrictions" "$APS_TMPDIR/restrictions"
fi
if [ -f "@sysconfdir@/apsfilter/$QUEUE/restrictions" ]; then
ln -s "@sysconfdir@/apsfilter/$QUEUE/restrictions" \
"$APS_TMPDIR/$QUEUE/restrictions"
fi
# create local configuration file from the original one
{
cat "@sysconfdir@/apsfilter/$QUEUE/apsfilterrc"
# overwrite the PRINTER setting for previewing
echo "PRINTER=PS"
# let's say we have a good PostScript printer :^)
echo "HARDWARE_DUPLEX=set"
echo "HARDWARE_COPIES=set"
} > "$APS_TMPDIR/$QUEUE/apsfilterrc"
export APS_CONFDIR="$APS_TMPDIR"
# convert file to PostScript (one after another), then preview it
: ${INPUT_FILES:=/dev/stdin}
# regain file list (potentially spaces) with strange IFS setting
IFS="
"
for file in $INPUT_FILES; do
echo "converting '$file'..."
@bindir@/aps2file "$file" -P"$QUEUE" $Z_OPTS -o "$APS_TMPDIR/apspreview.ps"
filetype=$(file "$APS_TMPDIR/apspreview.ps")
case $(echo ${filetype#$APS_TMPDIR/apspreview.ps: } | tr A-Z a-z) in
postscript*)
echo "previewing PostScript data with $viewer..."
$viewer "$APS_TMPDIR/apspreview.ps" ;;
*)
echo "aps2file didn't yield PostScript, skipping '$file'..." ;;
esac
done
|
