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From Steve Loughran <>
Subject Re: Python implementation for Ant
Date Mon, 12 Feb 2007 12:22:17 GMT
bill/wilandra wrote:
> Hmmm, a basic tenet of Prolog is that the rules do not have any side
> effects. That is why Prolog can back track like it does. In a build process
> there are many side effects in creating, modifying, and copying/moving
> files. These side effects could become impossible to restore to their
> original states.

aah, but you forget about transacte file systems :)

actually, in big prolog projects you tend to make big use of the ! 
statement, because you dont want backtracking. One typo and your app 
branches off into the undergrowth.

Anyway, I was not arguing in favour of prolog as a build system for java 
apps. I was trying to note that languages like prolog (sometimes) are 
better for bits of your app, like anything working with a graph of 
complex content. Like XML, RDF or other structured text data coming in 
over the wire.

I think you can run JLog as a script under ant, BTW.

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