On Tue, 17 Jul 2001, Evan Panagiotopoulos wrote:
> I have an array of X elements and I want to go from the first element
> (is it zero?) to the last. I have a variable containing the number of
> elements in the array. If the array has 22 elements does it go from 0
> to 21 or 1 to 22?
foreach doesn't need to know the number of elements - it just goes from
the first element to the last
e.g.
#!/usr/bin/perl -w
my @array = (1,2,3,4,5,6,7,8,9);
# explicit scalar variable
foreach my $item ( @array ) {
print "$item";
}
# newline for tidiness
print "\n";
# do it again using the implicit $_ variable
foreach ( @array ) {
print;
}
# newline for tidiness
print "\n";
This script prints out:
123456789
123456789
Best wishes,
Rachel Coleman
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
