OpenTemporary
 Usage
• OpenTemporary[ ] opens a temporary file to which output can be written, and returns an OutputStream object.
Notes
• OpenTemporary is often used in conjunction with Put and Get as a way of preparing data that is exchanged between Mathematica and external programs. • OpenTemporary always creates a new file, that does not already exist. • On Unix systems, OpenTemporary typically creates a file in the /tmp directory. • The global variable $TemporaryPrefix gives the base of the file name used by OpenTemporary. • New in Version 1.
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