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Question about ant

Manish Jain
Ranch Hand

Joined: Jun 07, 2005
Posts: 30
Hi Everyone,
Can someone let me know about the Ant. What is Ant and Why it is Used for? I will appreciate if someone could help me in this regard?

Thanks
Manish Jain
David Ulicny
Ranch Hand

Joined: Aug 04, 2004
Posts: 724
Ant is a build tool and is used in project automation, for building, deploying, packaging etc.

Check this
http://ant.apache.org/
[ August 29, 2005: Message edited by: David Ulicny ]

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Ben Souther
Sheriff

Joined: Dec 11, 2004
Posts: 13410

There is a forum on this site devoted to "Ant and Build Tools".
http://www.coderanch.com/forums/f-67/tools


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Mark Spritzler
ranger
Sheriff

Joined: Feb 05, 2001
Posts: 17249
    
    6

Exactly, moving this to the Ant forum. This forum is for Servlets questions only.

Thanks

Mark


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Ashok George
Ranch Hand

Joined: Mar 25, 2005
Posts: 87
Apache Ant is a Java-based build tool. In theory, it is kind of like Make, but without Make's wrinkles.

Why another build tool when there is already make, gnumake, nmake, jam, and others? Because all those tools have limitations that Ant's original author couldn't live with when developing software across multiple platforms. Make-like tools are inherently shell-based -- they evaluate a set of dependencies, then execute commands not unlike what you would issue in a shell. This means that you can easily extend these tools by using or writing any program for the OS that you are working on. However, this also means that you limit yourself to the OS, or at least the OS type such as Unix, that you are working on.

Makefiles are inherently evil as well. Anybody who has worked on them for any time has run into the dreaded tab problem. "Is my command not executing because I have a space in front of my tab!!!" said the original author of Ant way too many times. Tools like Jam took care of this to a great degree, but still have yet another format to use and remember.

Ant is different. Instead of a model where it is extended with shell-based commands, Ant is extended using Java classes. Instead of writing shell commands, the configuration files are XML-based, calling out a target tree where various tasks get executed. Each task is run by an object that implements a particular Task interface.

Granted, this removes some of the expressive power that is inherent by being able to construct a shell command such as `find . -name foo -exec rm {}`, but it gives you the ability to be cross platform -- to work anywhere and everywhere. And hey, if you really need to execute a shell command, Ant has an <exec> task that allows different commands to be executed based on the OS that it is executing on.

http://ant.apache.org/
 
 
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