Advanced PERL Programming by O'Reilly ( page 7 & 8 )

This is the reference as to what you seek!

To sum it up:

my @s = $r->[1..3];

Where [1..3] is treated as a comma seperated expression.

The result of this expression is the last term in the array, in this case [3].

Now we have $r->[3] which of course accesses a specific element from array $r.

As you can now see this is not what you intended!

Your actual (but unrelated) error Argument "" isn't numeric in aelem at ... is from using the range [1..3], where the range [1,2,3] will not produce this error (but a different one!).

regards,
Earle

In reply to Re: Extracting a slice from an array ref by nietzel
in thread Extracting a slice from an array ref by VSarkiss

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