properties - How to over-write the property in Ant? -

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is there a way to reassign the value to a new property function? Or is there another work available for that purpose?

Depending on how you want to use modified property, for example, write the following Instead: 

  & lt; Target name = "foo" & gt; & Lt; Echo message = "$ {my_property}" /> & Lt; / Target & gt;

and with no other message, you can write: 

 ; Macrodef name = "myecho" & gt; & Lt; Attribute name = "msg" /> & Lt; Sequential & gt; & Lt; Echo message = "@ {msg}" /> & Lt; / Sequential & gt; & Lt; / Macrodef> & Lt; Target name = "foo" & gt; & Lt; Myecho msg = "$ {my_property}" /> & Lt; Property name = "my_property2" value = "..." /> & Lt; Myecho msg = "$ {my_property2}" /> & Lt; / Target & gt;

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