Chas Owens wrote:
Okay, I will concede that, but there is generally a character that is
safe (usually the character the line was split on). In this case
$hash{join ',', @cdr[2,3,6,7]} = $line;
is safe due to the fact that @cdr was created using split /,/, so I
would recommend that over a multidimensional hash.
Safe until the format of the input changes. If, for example, you tried this on
a CSV (comma-separated-values) file, it would fail since commas can be escaped.
That is why $; is set to the default value of ASCII \034, a non-printable
control character that is unlikely to appear in text. But if you have your
heart set on a composite key:
{
local( $" ) = $;;
$hash{"@cdr[2,3,6,7]"} = $line;
}
--
Just my 0.00000002 million dollars worth,
Shawn
"For the things we have to learn before we can do them, we learn by doing them."
Aristotle
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