Shell Programming and Scripting

get_info_check ()
{
echo
echo "Which INFO check would you like to run?"
echo "The valid range is 100-999."
print -n "Enter INFO number : "
read INFO_CHK
#INPUT VALIDATION HERE!!!
if [[ "$INFO_CHK" != +([0-9]) ]]
  then
      echo
      echo "ERROR: You must enter a valid number!!"
      get_info_check
elif [ "$INFO_CHK" -ge 100 -a "$INFO_CHK" -le 999 ]
  then
     echo "GOOD JOB!!!"
else
     echo
     echo "ERROR: Valid range is 100-999!!"
     get_info_check
fi
}

#!/usr/bin/ksh
IFS=','
for mParm in $@
do
  echo "mParm = <$mParm>"
done

#!/bin/sh

read INFO_CHK

echo "$INFO_CHK" | sed 's/,/\n/g' | while read a; do
    echo "$a"
# Do whatever you want with "$a"
done