$_
- Perl's "default" or "topic" variable is $_
foreach (qw! red green blue yellow !) {
print "I like the color $_.\n";
}
- Similarly,
$_ = "You said: " . <STDIN>; print;
| CPU: Perl, Fall 2005 | Perl, Week 3: More Arrays, Context, Subroutines, Lexical Variables | #20 |
foreach (qw! red green blue yellow !) {
print "I like the color $_.\n";
}
$_ = "You said: " . <STDIN>; print;
| Copyright © 2005 Ian Langworth |