IfMath1.ksh

#!/bin/ksh

# IfMath1.ksh

# This program introduces the "if" statement.

# - Jim 

# prompt the user to enter a number.
print -n "Enter your age: "
read Age

# Create an if statement.

if (( Age >= 18 ))
then
  print "Vote!"
fi

# Math tests:
#
# (( Num1 == Num2 ))  Note: == not =
# (( Num1 != Num2 )) 
# (( Num1 < Num2 )) 
# (( Num1 > Num2 )) 
# (( Num1 <= Num2 )) 
# (( Num1 >= Num2 ))