class fun with cal

--> more birthday.sh
#!/bin/ksh
#
# Author: Bob
# Date: 4/11/2002
# Purpose: Give the day of the week you were born
#


# Read birthmonth
  echo "Enter your birthmonth [MM]"
  read MM

# Read birthdate
  echo "Enter your birthdate: [DD]"
  read DD
# Read birthyear
  echo "Enter your birthyear: [YYYY]"
  read YYYY

# Calculate the # of days you've been alive
  NUMBER=`date +%j`

  NO_OF_YEARS=`expr 2002 - "$YYYY"`
  NO_OF_DAYS=`expr "$NO_OF_YEARS" \* 365`
  CALC=`expr "$NO_OF_DAYS" + "$NUMBER"`

  echo "You have been alive for "$CALC" days!"


cal "$MM" "$YYYY"


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sn22@wkstn [/export/home/sun22]
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--> sh birthday
Enter your birthmonth [MM]
04
Enter your birthdate: [DD]
11
Enter your birthyear: [YYYY]
1943
You have been alive for 21637 days!
   April 1943
 S  M Tu  W Th  F  S
             1  2  3
 4  5  6  7  8  9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30


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sn22@wkstn [/export/home/sun22]
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