does this help? 
  DB<82> p join "+", map { $b =$_ %10; $a = sprintf "----%s--", $b ? "
+${b}0-" : "${_}0" } 8..12
----80---+----90---+----100--+----10---+----20---

[download]

could be shorter but I'm tired! ;-)

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery FootballPerl is like chess, only without the dice

In reply to Re: How to build a better mousetrap (or a variable to hold a column-measuring scale) by LanX
in thread How to build a better mousetrap (or a variable to hold a column-measuring scale) by roho

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