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Macromedia REC files  
ISI Release 3.0 Curriculum Software Technote:

ISI Curriculum Software is created using the Macromedia Authorware development environment, and consists of Authorware packaged files. We are currently using revision 5.2 of their environment, and packaged files can be identified by the the "a5r" or "a5e" extension. An Authorware packaged file is run/interpreted by the Authorware run-time engine, which for ISI curriculum software is integrated into the "ISI_MAIN.EXE" file.

Authorware also produces "dot-rec" (.rec) files when packaged pieces are run. These are temporary files produced directly by the run-time engine. ISI software does not use the Authorware features that are available with the production of these .rec files, and unfortunately there is no programmatic way to prevent Authorware from creating them.

In addition, it is possible for the presence of a particular .rec file to interfere with a particular lesson of the ISI curriculum software.

It is safest to insure that all ".rec" files are deleted from a station's hard disk before starting the ISI curriculum software. Fortunately, these macromedia ".rec" files are always stored in the same place on a system, in a folder under the windows folder. For Release 3, which is based on Authorware 5, the folder is C:\windows\a5w_data For Release 2, which is based on Authorware 3, the folder is C:\windows\a3w_data In general the folder is "a5w_data" in the windows folder of the system, which is not necessarily named "windows." ISI recommends that these ".rec" files be deleted on startup from the autoexec.bat script for standalone stations, and for networks using the login script using a standard "batch" command language line or equivalent.

For Release 3.0 (Authorware 5.2):
if exist c:\windows\a5w_data\*.rec erase c:\windows\a5w_data\*.rec
For Release 2.0 (Authorware 3.52):
if exist c:\windows\a3w_data\*.rec erase c:\windows\a3w_data\*.rec

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