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Re: Re: Adding 2 + 2

by Juerd (Abbot)
on Dec 21, 2001 at 11:30 UTC ( [id://133743]=note: print w/replies, xml ) Need Help??

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in reply to Re: Adding 2 + 2
in thread Adding 2 + 2

A very creative solution :)
Be sure to check out Roman if you didn't know it already. It can convert roman numbers both ways, and checks if your roman input is valid.

use Roman; $calc = "II + II"; $calc =~ s/([MDCLXVI]+)/isroman($1) ? arabic($1) : $1/; print eval $calc;

2;0 juerd@ouranos:~$ perl -e'undef christmas' Segmentation fault 2;139 juerd@ouranos:~$

Replies are listed 'Best First'.
Re: Re: Re: Adding 2 + 2
by mr_mischief (Monsignor) on Jan 02, 2002 at 15:22 UTC
    Thanks for the review and the suggestion.

    I knew Roman was available, but it didn't feel right to use it for this. I felt it was more in the spirit of the thread to go overboard and develop the needed tools specifically for the node. I'm actually a bit surprised it took someone posting a hand-crafted Roman to Arabic numeral conversion before someone gave an example using the module. It was one of the first twists on the problem that popped into my deranged mind.

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