The extraneous commas are no problem.
That is one of the many improvements of Perl
versus C. These extra commas allow easier
additions to the hash with any of
Emacs, Vi, Notepad, Wordpad, Ultra-edit, or even ed.
Another possible style, which I prefer, consists in
writing the comma at the beginning of the next line,
not the end of the previous one.
Example:
my %switch_hash =
(
chrdex =>
{
DEX =>
{
'01-AUG-02' => 1
, '03-AUG-02' => 3
}
}
, uslcgb5e2sm =>
{
Greensboro =>
{
'4-AUG-02' => 1
, '6-AUG-02' => 2
}
},
, uslecat25e1 =>
{
'Atlanta II' => # quotation marks are required here
{
'1-AUG-02' => 1
, '2-AUG-02' => 3
, '3-AUG-02' => 1
, '4-AUG-02' => .25
}
}
);
This style also allows easier editing of the hash.
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Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
intervention).
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or How to display code and escape characters
are good places to start.
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