SCRNCH

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File Format
Name SCRNCH
Ontology
Released 1988

SCRNCH is an executable compression utility for DOS. It was developed by Graeme W. McRae, and distributed as shareware.

Contents

Discussion

SCRNCH is fundamentally a COM file compressor, but it includes tools that make it possible to compress EXE files, using a convoluted method of converting them to a COM or COM-like format that SCRNCH can compress, then back to EXE if necessary.

SCRNCH also has a feature it calls "write mode", which essentially creates self-decompressing files. In the simplest case, it converts a text file to a COM file that, when executed, prints the text to the screen. With effort, it can be used for other things, like software installation.

Identification

(TODO)

Related formats

  • ZIP - Reportedly[1], ZIP's Reduce compression method is based on SCRNCH's compression method.

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