ehelp: a pedestrian extended help extractor utility 1.0

to provide good help is tricky: either it's too little or it clutters the command window with hundreds of lines - and thus becomes unintelligible.Therefore, it is often desirable to give a user the option of various additional (=extended) help levels that go beyond the classical> help myfuncEHELP offers a solution with these simple typical steps1) the author writes a function2) at the end, additional help sections are embedded, each between two unique tags3) the function body of EHELP is copy/pasted into the main function and acts as a subroutine3) command line options are implemented for a user to look at the extended help4) EHELP is called (typically within a switch-yard based on input options) to extract the appropriate section from its main functionEHELP can be used as a command line tool if the author provides appropriate information within the classical help sectionuse of low-level i/o functions guarantees a very quick extractionsee the accompanying published ML file for a simple example

Requirements:	No special requirements
Platforms:	Matlab
Keyword:	Based,  Called,  Copypasted,  Ehelp,  Extended,  Extract,  Function,  Functions,  Guarantees,  Help4,  Implemented,  Input,  Options,  Quick,  Subroutine,  Switchyard,  Tags,  Typically,  Unique
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