@name = qw(fred wilma barney betty);
@color = qw(black red blonde black);
for $k (0 .. @name - 1) { print $name[$k] . " - " . $color[$k] . "\n" }
# fred - black
# wilma - red
# barney - blonde
# betty - black

##</code><code>##

@name = qw(fred wilma barney betty);
for $k (0 .. @name - 2) { print $name[$k] . " - " . $name[$k + 1] . "\n" }
# fred - wilma
# wilma - barney
# barney - betty

##</code><code>##

@name = qw(fred wilma barney betty);
for $k (0 .. @name/2 - 1) { print $name[2 * $k] . " - " . $name[2 * $k + 1] . "\n" }
# fred - wilma
# barney - betty

##</code><code>##

@data = (["fred", "black"], ["wilma", "red"], ["barney", "blonde"], ["betty", "black"]); 
@color = qw(black red blonde black); for $rec (@data) { my($name, $color) = @$rec; print $name . " - " . $color . "\n" }
# fred - black
# wilma - red
# barney - blonde
# betty - black