5 # Call our gcd() function
10 printf "The gcd of %d and %d is %d\n",x,y,g
12 # Manipulate the Foo global variable
14 # Output its current value
15 print "Foo = ", Example.Foo, "\n"
18 Example.Foo = 3.1415926
20 # See if the change took effect
21 print "Foo = ", Example.Foo, "\n"