SHOW:
|
|
- or go back to the newest paste.
| 1 | #!C:\Strawberry\perl\bin | |
| 2 | use warnings; | |
| 3 | ||
| 4 | my $stop = 0; | |
| 5 | until ($stop != 0) {
| |
| 6 | ||
| 7 | ||
| 8 | print "this program will compute the circumfrence of a circle.\n"; | |
| 9 | print "\n"; | |
| 10 | print "Please enter in the radius of your circle.\n"; | |
| 11 | $radius = <STDIN>; | |
| 12 | until ($radius ne "\n") {
| |
| 13 | print "please enter a number "; | |
| 14 | $radius = <STDIN>; | |
| 15 | } | |
| 16 | ||
| 17 | print "The radius of your circle is "; | |
| 18 | print 2 * 3.141592654 * $radius; | |
| 19 | print "\n"; | |
| 20 | print "do you want to calculate another?(yes/no)\n"; | |
| 21 | $stop = 0; | |
| 22 | $answer = <STDIN>; | |
| 23 | - | if ($answer eq "no") {
|
| 23 | + | if ($answer eq "no\n") {
|
| 24 | print "exiting.... \n"; | |
| 25 | $stop = 1; | |
| 26 | ||
| 27 | } else {
| |
| 28 | $stop = 0; | |
| 29 | } | |
| 30 | } |
