Options Parsing and Keywords
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The traditional Unix utility uses options and arguments to parse command line parms that dictate how the utility should work. Long options is one way to make a utility's usage somewhat natural; for example: util --version. Some utilities use keywords and command/sub-command syntax. It is possible to combine the two without causing too much confusion.
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Most system oriented scripters and programmers tend to rely upon the classic Unix model of options and/or arguments; conversely, many programs and scripts use a subcommand structure that is similar to language processing (or lexical checks). Consider that APIs generally use a lexical style interface - in a sense the natrual language idea makes sense if the script or program is going to be called by another program. Full Story |
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