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Re: Look ahead and join if the line begins with a +

by Maclir (Curate)
on Apr 11, 2002 at 15:06 UTC ( #158334=note: print w/ replies, xml ) Need Help??


in reply to Look ahead and join if the line begins with a +

Some good solutions presented here - but - experience shows that the area of greatest difficulty in designing working algorithms is in dealing with "edge conditions".

Ask yourself - those who proposed things like

line[-1]
What happens if the first line of the file starts with a continuation character? Sure, this is logically an invalid case, but . . .


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Re: Re: Look ahead and join if the line begins with a +
by japhy (Canon) on Apr 11, 2002 at 19:31 UTC
    My three examples protect against that, by the way.

    _____________________________________________________
    Jeff[japhy]Pinyan: Perl, regex, and perl hacker, who'd like a (from-home) job
    s++=END;++y(;-P)}y js++=;shajsj<++y(p-q)}?print:??;

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