Shell Programming and Scripting

 
File: test.txt
------------
4

 
COUNT =`cat test.txt`
echo "$COUNT"

$ COUNT=`tail -1 test.txt`
$ echo $COUNT
4

ITERATOR=0
COUNT=`cat test.txt`
echo "$COUNT"
 
while [ $ITERATOR -lt $COUNT ]
do
   echo $ITERATOR
   echo "$COUNT"
   awk 'NR=="$ITERATOR"{print;exit}' EMAIL_REPORT.CSV >temp_mail.txt
   TO=`cat temp_mail.txt` 
ITERATOR=`expr $ITERATOR + 1`
done

+ awk NR=="$ITERATOR"{print;exit} EMAIL_REPORT.CSV

awk -v iter=$ITERATOR 'NR==iter{print;exit}' EMAIL_REPORT.CSV >temp_mail.txt

sed -n "$ITERATORp'  EMAIL_REPORT.CSV >temp_mail.txt

 while ((++ITERATOR <= COUNT)); do read LINE; echo $LINE >temp_mail.txt; ...  done < EMAIL_REPORT.CSV