Shell Programming and Scripting

#!/bin/ksh
#set -xv

function set_variable
{
VARIABLE_NAME=$1
CURRENT_PATH=`pwd`
if [ ! -f $CURRENT_PATH/common/common_scripts/configuration_file.lst ]; then
        echo "\nconfiguration_file.lst file not found in $CURRENT_PATH/common/common_scripts"
        exit 1;
fi

VARIABLE_COUNT=`cat $CURRENT_PATH/common/common_scripts/configuration_file.lst | grep -w $VARIABLE_NAME | wc -l`

if [ $VARIABLE_COUNT -ne 1 ]; then
        echo "\n$VARIABLE_NAME not found in $CURRENT_PATH/common/common_scripts/configuration_file.lst"
        exit 1;
fi

VARIABLE_VALUE=`cat $CURRENT_PATH/common/common_scripts/configuration_file.lst | grep -w $VARIABLE_NAME | awk -F: {'print $2'}`
echo $ORATAB=echo $VARIABLE_VALUE

}

set_variable ORATAB

SID=`cat $ORATAB | grep -w ERPSND`

echo $SID

webisstg159:ORAAPPS:/fs01/admin/scripts> sh -xv ./new.ksh
#!/bin/ksh
#set -xv

function set_variable
+ function set_variable
./new.ksh: function: not found
{

set_variable()
{
   ..function code here

}