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About file mappings
Windows identifies files based on their file extensions. Mac identifies files based on their built-in file types and creator information (the applications that created them). FirstClass lets you download and view the same file on either platform by mapping Windows file extensions and Mac file types/creator information.
When a Mac file is downloaded to a Windows machine, the Windows client adds a file extension based on the Mac file type and creator information.
When a Windows file is downloaded to a Mac machine, the Mac client adds file type and creator information based on the Windows file extension.
Overriding file mappings
To map extensions, file types, and creator information, the client uses a string table that is stored within it. You can override these mappings by creating a replacement string table STR#10 in a settings file or the langxxx.rez file (an optional file used with localized clients). Be sure to include all of the mappings defined in the resource that is shipped with the client. These mappings are also supplied for your information in the Example.fc settings file that ships with FirstClass Designer.
The string format is
xxx=cccctttt
where
xxx is the Windows file extension
cccc is the Mac creator tag
tttt is the Mac file type tag.
You can have multiple strings with:
� the same extension (if several Mac types map to the same Windows extension)
� the same file type/creator information (if several Windows extensions map to the same Mac file type/creator information).
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