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A problem descriptor file can have any name which is consistent with the host operating system.  Even though permitted by some operating systems, names with imbedded blank characters should be avoided.  It is best to choose a name that is descriptive of the problem.  

 

Problem descriptor files must have the extension '.pde'.  When saving a file using the built-in editor, FlexPDE will automatically add the extension  '.pde'.  When using a separate or off-line editor, be sure to give the file a '.pde' extension instead of the default extension.

 

Windows operating systems by default hide the file name extension.  FlexPDE script files can still be recognized by the icon.  Alternatively, Windows can be configured to display file extensions.

 

See also "FlexPDE Working Files".