Shell Programming and Scripting

#!/bin/ksh
#to test mail from directory
set -x
frequency=$1
param_file=/local/test
mail_dir=/local/test
if [ -f $param_file ]
then
rm $param_file
fi
touch $param_file
chmod 777 $param_file
echo "[Global]" > $param_file
echo '$$ENVIRONMENT'"=$ENVIRONMENT" >> $param_file
echo '$DBConnection_s'"=ITRAS" >> $param_file
echo '$$frequency'"=$1" >> $param_file
rm $mail_dir/*
$ITRC/scripts/itrc_startworkflow.ksh dummy wf_test
#mail_dir=/local/test
rm $mail_dir/alert_email_content1.out
#echo $mail_dir

find $mail_dir/* -type f | grep -q .
file_check=$?
if [ $file_check -ne 0 ]; then
  echo "Rows for alert  $1* doesnot exists"
 # echo "File $1* doesnot exists or No Files are older than $3 days in the directory $2" >> $log_file
  exit 0
fi

for file in $mail_dir/* ;
do
echo "$file"
/\n/g' "$file"
#mail_sub= echo $file | cut -d'/' -f8
mail_sub=`head -1 "$file"`
sed -i -e "1d" "$file"
mail_id=`head -1 "$file"`
sed -i -e "1d" "$file"
chmod 777 "$file"
echo "mail ID is  $mail_id"
echo "mail subject is " $mail_sub
cat $file | mailx -s "$mail_sub" "$mail_id"
#echo $mail_sub
done
exit 0