FYI: Scot Floess ([EMAIL 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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