Shell Programming and Scripting

susegeek:/tmp # for email in hola.there@hp.com hello.there@hp.com como.esta@hp.com
> do
>     lname=$(echo $email | awk -F"[.@]" '{print $2}')
>     finitial=$(echo $email | awk -F"[.@]" '{print $1}' | awk '{split ($0,a,""); print a[1]}')
>     ntid=$lname$finitial
>     echo "$email = NTID = $ntid"
> done
hola.there@hp.com = NTID = thereh
hello.there@hp.com = NTID = thereh
como.esta@hp.com = NTID = estac
susegeek:/tmp #

hola.there@hp.com
hello.there@hp.com
como.esta@hp.com

#! /bin/ksh
list=$1

if [ $# -ne 1 ]
then
      echo "Not enough arguments. Please rerun script with \"$0 \$listfile\""
      exit 1
else
      if [ ! -s $list ]
      then 
          echo "No valid list file found. Rerun script with readable text file."
          exit 2
      fi
fi

for email in $(< $list)
do
     lname=$(echo $email | awk -F"[.@]" '{print $2}')
     finitial=$(echo $email | awk -F"[.@]" '{print $1}' | awk '{split ($0,a,""); print a[1]}')
     ntid=$lname$finitial
     echo "$email = NTID = $ntid"
done

exit 0