#!/bin/ksh# Scriptname: speller# Purpose: Check and fix spelling errors in a file# exec < tmp         # Opens the tmp file while read line    # Read from the tmp filedo	print $line	print -n "Is this word correct? [Y/N] "	read answer < /dev/tty    # Read from the terminal	case $answer in	[Yy]*) 		continue		   ;;	*) 		print "New word? "		read word < /dev/tty		sed "s/$line/$word/" tmp > error		mv error tmp		print $word has been changed.		    ;;	esacdone