before wrs-creation
- rename the prog.exe to prog.pak
for publish (with wrs)
- BIND the prog.pak to the wrs (within the WDL)
at runtime
- extract (file_cpy("prog.pak", "prog.pak")) the prog
- rename (file_rename("prog.pak", "prog.exe")) the prog
- start the prog.exe (exec("prog.exe");)