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Filename : dvipdft
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#!/bin/sh
# dvipdft, completely rewritten by Thomas Esser for teTeX after an
# original script by Mark A. Wicks
#
# Thomas Esser. Public Domain.
# 
# Modified by Matthias Franz for dvipdfmx (when running as dvipdfm) and
# TeX Live.

# This script makes a first (fast) run with dvipdfm, then calls gs on
# the resulting pdf file to get the thumbnails and finally calls dvipdfm.

progname=dvipdft
version=20090604.0046

# set trap for error
trap '
  echo "$progname: fatal error." >&2
  exit 1
' 1

test -f /bin/sh5 && test -z "$RUNNING_SH5" \
  && { UNAMES=`uname -s`; test "x$UNAMES" = xULTRIX; } 2>/dev/null \
  && { RUNNING_SH5=true; export RUNNING_SH5; exec /bin/sh5 $0 ${1+"$@"}; }
unset RUNNING_SH5

test -f /bin/bsh && test -z "$RUNNING_BSH" \
  && { UNAMES=`uname -s`; test "x$UNAMES" = xAIX; } 2>/dev/null \
  && { RUNNING_BSH=true; export RUNNING_BSH; exec /bin/bsh $0 ${1+"$@"}; }
unset RUNNING_BSH

# hack around a bug in zsh:
test -n "${ZSH_VERSION+set}" && alias -g '${1+"$@"}'='"$@"'

help="Usage: $progname [options] dvifile
       $progname --help
       $progname --version"

quoteit()
{
  echo "x$1" | sed "s@.@@; s@'@'\\\\''@; s@^@'@; s@\$@'@"
}

# process args 1 to (n-1) and scan for a -o argument keep a properly
# quoted backup of the options, so that they can be restored later
unset s outfile
while test $# -gt 1; do
  case $1 in
    -o) outfile=$2;;
  esac
  s="$s${s+ }"`quoteit "$1"`
  shift
done

# check for last argument
case $1 in
  --help)
    echo "$help"
    exit 0
    ;;
  --version)
    echo "$progname version $version by Thomas Esser and others"
    exit 0
    ;;
  "")
    echo "$help"
    exit 1
    ;;
esac

# args 1 to (n-1) are gone, last one must be the dvifile
dvifile="$1"

# outfile comes from -o argument, else it is derived from the input file
test -n "$outfile" \
  || outfile=`echo "$dvifile" | sed 's@.*/@@; s@\.dvi$@@; s@$@.pdf@'`

# outBase is part of the thumbname files just as dvipdfm expects them:
outBase=`echo "$outfile" | sed 's@\.pdf$@@'`

ls "$outBase".[1-9]* >/dev/null 2>&1 && {
  echo "$progname: Please move the following files out of the way:" >&2
  ls "$outBase".[1-9]* >&2
  exit 1
}

# restore args 1 to (n-1):
eval set x "$s"; shift

# set trap for cleanup
trap '
  rm -f "$outBase".[1-9]*
' 0

# Run dvipdfm with the fastest options for the first pass
echo "$progname: running dvipdfm $@ -z0 $dvifile" >&2
dvipdfm ${1+"$@"} -z0 "$dvifile"

# run gs
echo "$progname: running gs" >&2
gs -r10 -dNOPAUSE -dBATCH -sDEVICE=png256 -sOutputFile="$outBase.%d" "$outfile"

# run dvipdfm with the users specified options for the last pass
echo "$progname: running dvipdfm -t $@ $dvifile" >&2
dvipdfm ${1+"$@"} -t "$dvifile"