perlfaq4: How do I process/modify each element of an array?

[_brian_d_foy]

* added a map() example, but left the foreach intact


Index: perlfaq4.pod
===================================================================
RCS file: /cvs/public/perlfaq/perlfaq4.pod,v
retrieving revision 1.25
diff -u -d -r1.25 perlfaq4.pod
--- perlfaq4.pod        30 May 2002 07:04:25 -0000      1.25
+++ perlfaq4.pod        10 Jul 2002 08:42:49 -0000
@@ -1398,6 +1398,11 @@
        $_ **= 3;
        $_ *= (4/3) * 3.14159;  # this will be constant folded
     }
+    
+which can also be done with map() which is made to transform
+one list into another:
+
+       @volumes = map {$_ ** 3 * (4/3) * 3.14159} @radii;
 
 If you want to do the same thing to modify the values of the
 hash, you can use the C<values> function.  As of Perl 5.6