UNIX for Dummies Questions & Answers

echo $number+`echo original | cut -c4-` >> newfile

#! /usr/bin/ksh
typeset -Z3 n=0
while read line ; do
      print -r - "${n}${line#???}"
      ((n=n+1))
      ((n>999)) && n=0
done
exit 0

#! /usr/bin/ksh
for file in *
do
	typeset -Z3 n=0
	while read line 
	do
		print -r - "${n}${echo $line | cut -c4-}"
		n=`expr $n +1`
		if [ $n -eq 998 ]
		then
			n=0
		fi
	done
	exit 0
done