Re: Cant use array with numbers??

Read for.

Normally, you want to provide C++ and Perl with syntactically correct code though.

The way of performing a loop over a list of array elements in Perl is usually:

foreach (@Array) {
    next if $_ eq "DontPrintMe";
    print $_;
};
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Comment on Re: Cant use array with numbers?? Download Code

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Re^2: Cant use array with numbers?? by robot_tourist (Hermit) on Sep 18, 2007 at 11:00 UTC
I like to put an explicit name in instead of $_, like so: `for my $value (@array) { do_something_with($value); }` [download] Going back to the C/C++ style comparison, I also think $value is more readable than $array[$i], but that's a matter of opinion and/or of naming things well. But remember that $value is not available outside the for loop. If you're worried about knowing where you are in the array, I've found I don't need to worry most of the time or I can just create put 'my $i = 0;' before the loop and do $i++ each time round. How can you feel when you're made of steel? I am made of steel. I am the Robot Tourist. Robot Tourist, by Ten Benson	[reply] [d/l]

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Re^2: Cant use array with numbers??
by robot_tourist (Hermit) on Sep 18, 2007 at 11:00 UTC

I like to put an explicit name in instead of $_, like so:

for my $value (@array) {
  do_something_with($value);
}
[download]

Going back to the C/C++ style comparison, I also think $value is more readable than $array[$i], but that's a matter of opinion and/or of naming things well.

But remember that $value is not available outside the for loop. If you're worried about knowing where you are in the array, I've found I don't need to worry most of the time or I can just create put 'my $i = 0;' before the loop and do $i++ each time round.

How can you feel when you're made of steel? I am made of steel. I am the Robot Tourist.
Robot Tourist, by Ten Benson

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