#! /bin/bash
#
#  Filename:  spellcheck
#
#  From Mark Sobell's Red Hat Linux book.  Adapted by Br. David Carlson.
#
#  Date:  March 26, 2007
#
#  This script lists possible misspellings in the file given as the first parameter.
#  The optional second parameter is a file of correctly spelled words that are not
#  in the dictionary.  That is, they are an extension of the dictionary.

if [ $# -eq 1 ]
then
   if [ -r "$1" ]
   then
      aspell -l < "$1"
   else
      echo "$1 is not a readable file" 1>&2
      exit 1
   fi
elif [ $# -eq 2 ]
then
   if [ ! -r "$1" ]
   then
      echo "$1 is not a readable file" 1>&2
      exit 2
   elif [ ! -r "$2" ]
   then
      echo "$2 is not a readable file" 1>&2
      exit 3
   else
      temp="/tmp/spellcheck.$$"
      aspell -l < "$1" > "$temp"
      while read line
      do
         result=`grep "$line" "$2"`
         if [ "junk$result" = "junk" ]   # The $line word is not in the $2 dictionary extension.
         then
            echo "$line"
         fi
      done < "$temp"
   fi
else   # number of parameters is 0 or is greater than 2
   echo "Syntax:  spellcheck <file_to_check> [file_of_additional_spellings]" 1>&2
   exit 4
fi

exit 0