#!/bin/sh -x

###############################################################################
# normalizeLines()
#   remove comments, whitespace is exactly one space, no empty lines,
#   no whitespace at end of line, one space before and after ",
#   no CR's (as in skaknew).
###############################################################################
normalizeLines()
{
  sed \
      -e '/^[*#;%]/d' \
      -e 'address@hidden 	][ 	]*@ @g' \
      -e '/^ *$/d' \
      -e 's@ $@@' \
      -e 's@ *" *@ " @g' \
      -e 's@" \([^"]*\) "@"\1"@g' \
   | tr -d '\r' \
   | sort | uniq
}

###############################################################################
# dvips2dvipdfm()
#   reads from stdin, writes to stdout. It transforms "dvips"-like syntax into
#   "dvipdfm"-like syntax. It is a very ugly hack.
###############################################################################
dvips2dvipdfm()
{
  sed -e 'address@hidden@ %@' \
      -e 'address@hidden(\([^ ]*\).*\)@\1\2@' \
      -e 'address@hidden(.*<\[* *\([^ ]*\)\.enc\(.*\)\)@\1 \2@' \
      -e '/%[^ ]*$/address@hidden@ default@' \
      -e 'address@hidden(.*<<* *\([^ ]*\)\.pf[ab].*\)@\1 \2@' \
      -e '/%[^ ]* [^ ]*$/address@hidden( \([^ ]*\).*\)address@hidden \2@' \
      -e 'address@hidden(.*[" ]\([.0-9-][.0-9-]*\) *ExtendFont.*\)@\1 -e \2@' \
      -e 'address@hidden(.*[" ]\([.0-9-][.0-9-]*\) *SlantFont.*\)@\1 -s \2@' \
      -e 'address@hidden@@' |
  awk '$1 == $3 && $2 == "default" {$2=""; $3=""} {print}' > $tmp8

  egrep '^(cm|eu|la|lc|line|msam|xy)' $tmp8 \
    | sed 'address@hidden@ -r@; address@hidden(fmex[789]\) address@hidden@'
  egrep -v '^(cm|eu|la|lc|line|msam|xy)' $tmp8
}


 tmp8=output8

 <input1 normalizeLines | dvips2dvipdfm | normalizeLines >> output1
 <input1 normalizeLines | dvips2dvipdfm | normalizeLines >> output2