| while-like structure in Ant | while-like structure in Ant 2007-05-18 - By Scot P. Floess
Emir:
Can you email me your examples? I may be able to help you out...
Sorry, I started a new job a few months ago and I seem to have very
little free time - I've been rather quiet here lately because of it...
Guru Balse wrote:
> FYI: Scot Floess (floess@(protected)) has implemented some great
> loop solutions using <math> and <for> from ant-contrib.
>
> Steve Loughran wrote:
>> Emir Mahmut BAHSI wrote:
>>> Hi all,
>>> I have been working on conditional structures and loop structures on
>>> existing workflow managers for a long time. For this purpose I have
>>> implemented two simple examples for if-type and switch-type cases
>>> (examples are attached). In these examples my program is simply
>>> downloading a file. If that file does not exist in the first web
>>> address it tries another address. However, I could not implement a
>>> loop structure for that. In the loop case the program should try the
>>> same address until the file exists. Actually I know this is not a
>>> reasonable and useful scenario but I just want to show whether a
>>> conditional-loop scenario can be implemented in Ant.
>>>
>>> Can u suggest me anything to implement that example. Any help is
>>> appreciated.
>>>
>>> Thanks.
>>>
>>
>> Ant is not a general purpose workflow manager. That means we get to
>> avoid a lot of the workflowy concepts of conditions, choices and
>> loops, or the pi-calculus constructs. And it doesnt come with anyy
>> failure handling.
>>
>> What it does have is some simple conditions, the option to skip
>> targets or fail the build on the state of conditions, and the ability
>> to block until a condition is met.
>>
>> if all you want is for the build to pause until a file is present,
>> use the <waitfor> task,
>>
>> -steve
>>
>>
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--
Scot P. Floess
27 Lake Royale
Louisburg, NC 27549
252-478-8087 (Home)
919-392-6730 (Work)
Chief Architect JPlate http://sourceforge.net/projects/jplate
Chief Architect JavaPIM http://sourceforge.net/projects/javapim
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