Description #

Uses the index file specified for quicker and much more consistent lookup of lines in a file. Very useful for large data files that would take a while to scan through using the normal lookup method.

The major drawback is that once a file is indexed, the file cannot be changed unless re-indexed by command 23. A good feature is that for purely read-only purposes, BOTH the program and index files can be archived.

Technical Details #

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(See Description)