PsiFS: File System

Paths

All paths under PsiFS are of the form: PsiFS::discname.$.file/directory where discname is either a disc name or a single character drive letter (A to Z or @), and file/directory is the path to the object being accessed.

The special drive letter @ refers to a virtual drive with all of the physical drives represented as subdirectories. The special disc name AllDrives also refers to this virtual drive.

Mappings

RISC OS and SIBO or EPOC use different formats for filenames, file types, dates, and attributes. PsiFS attempts to perform sensible mappings for all of these values when transferring files.

Copying a file from a SIBO or EPOC device to RISC OS and back again should not result in any loss of information, providing that the intermediate RISC OS file system supports long filenames and all necessary attributes. This ensures that it is possible to use RISC OS backup tools to preserve the contents of SIBO or EPOC drives.

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