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Re: Golf: RPN calculator

by japhy (Canon)
on May 10, 2001 at 19:49 UTC ( #79443=note: print w/ replies, xml ) Need Help??

in reply to Golf: RPN calculator

I did this on Fun-With-Perl (FWP) back in late March.

perl -le '{s!(\S+)\s+(\S+)\s*([-+*/])!"$1$3$2"!ee&&redo}print'

japhy -- Perl and Regex Hacker

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Re: Re: Golf: RPN calculator
by knobunc (Pilgrim) on May 10, 2001 at 21:40 UTC


    I would try to explain, but I don't think I can.


Re: Re: Golf: RPN calculator
by chipmunk (Parson) on May 11, 2001 at 01:32 UTC
    I think you neglected to read any input... :) perl -ple's,(\S+)\s+(\S+)\s*([-+*/]),"$1$3$2",ee&&redo'

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