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| # Manual opt parsing example | |
| # | |
| # Features: | |
| # - supports short and long flags (ie: -v|--verbose) | |
| # - supports short and long key/value options (ie: -f <file> | --filename <file>) | |
| # - supports short and long key/value options with equals assignment (ie: -f=<file> | --filename=<file>) | |
| # - does NOT support short option chaining (ie: -vh) | |
| # - everything after -- is positional even if it looks like an option (ie: -f) | |
| # - once we hit an arg that isn't an option flag, everything after that is considered positional | |
| function optparsing_demo() { |