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From "Steve Loughran" <>
Subject Re: To fail or not to fail
Date Sat, 01 Dec 2001 03:14:56 GMT

----- Original Message -----
From: "Jose Alberto Fernandez" <>
To: "Ant Developers List" <>
Sent: Friday, November 30, 2001 1:23 PM
Subject: Re: To fail or not to fail

From: "Steve Loughran" <>

>> Note that there is already a sort of hack to implement <fail if> by
>> of the fact that many tasks fail if the params are wrong. So if you set
>> the parameters right from a condition call you can force a conditional
>> failure:-
>> <condition  name="sleeptime" value="-10" >
>>  <isset name="env.TOMCAT_HOME />
>> </condition>
>> <property name="sleeptime" value="0" />
>> <!-- fails if sleeptime is negative -->
>> <sleep seconds="${sleeptime}"/>

>I cannot believe that build engineers will rely in hacks like that for a
build process.
>How can such code be maintainable or be able to give any reasonable
explanation about a failure.

>Jose Alberto

I am not aware of anybody using this. I was just demonstrating that there
effectively is a <fail if> implementation in the system, just a very
contrived one.


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