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#!/bin/bash

# Bash script to make glyph list from afm file.
# The glyph list is then used in making the etx file and for reglyphing.

# SYNTAX:
# afmtoglyphlist AfmFile GlyphListFile EncFile

# The EncFile is a PostScript encoding vector for dvips.
# If a glyph name from the AFM file appears in the encoding vector,
# then the script puts \ok as the second parameter to \declareglyph.

AfmFile=$1
GlyphList=$2
EncFile=$3

echo "Creating glyph list $GlyphList from $AfmFile for $EncFile"

MaxLines=`wc -l $AfmFile | cut -d" " -f 1`

echo "  $MaxLines lines in afm file."

LineNum=1
UnknownGlyph=1
ProccessingChars=FALSE
echo "% glyph list $GlyphList " > $GlyphList
echo "% Created by afmtoglyhlist from $AfmFile for encoding $EncFile" >> $GlyphList
echo "% on `date`." >> $GlyphList
while [ $LineNum -le $MaxLines ];
do
  Line=`head -n $LineNum $AfmFile | tail -1`
  #echo "$LineNum: $Line"

  if [ "$ProcessingChars" == "TRUE" ]
  then
    if [ "`echo \"$Line\" | grep EndCharMetrics`" != "" ]
    then
      ProcessingChars=FALSE
      LineNum=$((MaxLines+1))
    else
      # process a character
      Char=`echo "$Line" | cut -d" " -f 8`
      if [ "$Char" != "" ]
      then
        if [ "`grep -x '[[:space:]]*/'$Char'[[:space:]]*' $EncFile`" != "" ]
        then
          echo '\declareglyph{'$Char'}{\ok}{}{}' >> $GlyphList
        else
          echo '\declareglyph{'$Char'}{unknown'$UnknownGlyph'}' >> $GlyphList
	  UnknownGlyph=$((UnknownGlyph+1))
        fi
      fi
    fi

  else
    if [ "`echo \"$Line\" | grep StartCharMetrics`" != "" ]
    then
      ProcessingChars=TRUE
    fi
  fi

  LineNum=$((LineNum+1))
done

echo "Done."