Converting Special Character in Unix Shell Script

#!/bin/ksh

##########################################################################

#

# Parameters

# 1 = Batch file name

##########################################################################

PROGRAM_NAME=`basename $0`

echo $PROGRAM_NAME "has started"

echo " "

########################################

# Concurrent Program parameters #

########################################

#total_args=`echo $*|awk '{print NF}'`

##############

# File Name #

##############

BATCH_FILE=`echo $*|awk '{print $9}' | sed 's/"//g'`

BATCH_FILE=`eval "echo $BATCH_FILE"`

echo "Batch file = " ${BATCH_FILE}

###################

# Data Directory #

###################

DATA_DIR=`echo $*|awk '{print $10}' | sed 's/"//g'`

DATA_DIR=`eval "echo $DATA_DIR"`

echo "Data Dir = " ${DATA_DIR}

############################

# Environmental variables. #

############################

START_TIME=`date +%d-%b-%Y" "%H:%M`

HOST_NAME=`uname -n`

TSTAMP=`date '+%Y%m%d%H%M%S'`

EXIT_STATUS='SUCCESS'

BATCH_SOURCE=`echo ${DATA_DIR}/${BATCH_FILE}`

#################################################

# Converting the file #

#################################################

cat ${BATCH_SOURCE}|sed "s/$(printf "\243")//g">${BATCH_SOURCE}.new

mv ${BATCH_SOURCE}.new ${BATCH_SOURCE}

cat ${BATCH_SOURCE}|sed '/^\:61\:/s/ *//'>${BATCH_SOURCE}.new

mv ${BATCH_SOURCE}.new ${BATCH_SOURCE}

###############

## Final exit #

###############

 EXIT_STATUS='SUCCESS'

 echo "SEAS_CE_sh Status :" $EXIT_STATUS

 END_TIME=`date +%d-%b-%Y" "%H:%M`

 echo "Program Completed .... " $END_TIME

 echo "Moved ${BATCH_SOURCE}.new to ${BATCH_SOURCE}"

 exit 0

fi

#