Shell Programming and Scripting

#!/bin/sh
# Script: EFT.sh
# Purpose: Formatting file to be processed by bank
# Revision History :
#
# Name             Date        Change
# ---------------- ----------- --------------------------------------------------
# Ajay Taneja      07-Aug-2012 Initial Version

#for accepting 549as input
INCHAR="$1"

#for readiing file
INPUT="$2"

#file for processing
OUTPUT1="$3"

#file2 for processing
OUTPUT2="$4"

#for fetching character after first 549 chars
tail +$1c $2 >$3

#for formatting data 100 char per line
fold -100 $3 > $4
echo "Line formatted"

cat /dev/null>>$3
echo "File emptied"
count=1
export count
echo "About to enter while"
while read line 
do 
        echo "Line no is $count"
        xx=`echo "$line" |cut -c65-70`
        if test "$xx" = "CONTRA"
        then
                echo $xx
                break
        fi

        count=`expr $count + 1`
done<$4

#getting the exact data
echo $count
#head -$count $4>$3
echo "Job done"

grep -En "^.{66}CONTRA" infile
9:  5555555555555555555555555555555    5555555555555555 44444445 555CONTRA...