| How to execute a subtask conditionally if used several times | How to execute a subtask conditionally if used several times 2005-06-15 - By Dr. Michael Lipp
Hi,
I have a target that produces an output file based on an input file. I
invoke this target several times using antcall with different pairs of
input and output files (using <antcall><param ...>).
As an optimization, I want to do the generation only if the input file
is newer than the output file. In order to do this, I have to set a
property with <uptodate>. Of course, I would like to do this in my
antcall-ed target to avoid duplication of code.
But how can I reset the property once it has been set in my
"sub-target"? Once a property is set, it cannot be changed. So if the
first antcall causes e.g. "isUpToDate" to be set, all subsequent
antcalls will be executed as well.
Any solution?
Regards,
Michael
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