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