Duplicate File Detection

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At build time, Thinstall compares all files to look for duplicate data sets. If 2 or more files are found to have exactly the same data, only one copy is stored in the resulting EXE regardless of their filenames. The only noticable effect for the program is a smaller file size.

·	Files marked as "Extract on Write" or "Cache on Write" will produce 2 separate files on the hard drive if they are written to.

·	Duplicate detection uses the Secure Hash Algorithm to calculate file-hashes meaning files only have to be read once to compare with all other files, no matter how large they are.