Ant error while running wsdl2java in loop

I am trying to run axis2's wsdl2java tool in a loop from a ant build file. Attached below is the snippet of the build xml to do this

Inconsistent behavior between Windows and Unix

I have an ANT script that I use to deploy PostgreSQL schema. As part of the script I load data into the database using PostgreSQL's COPY statement. On Unix (both Mac OS X and Linux), I do the following: where tpsqlcmd is a macro I wrote that looks like this: