Here is a port for libclap. % cat pkg/DESCR CLAP is a highly featured Command Line Argument Parser. It supports multiple subcommands and switches, which in turn can have multiple subcommands and switches themselves, ... and so on. Using CLAP, you can define a complex graph of relationships between options. Then, just pass in the arguments from your main () function and CLAP will hand back an Execution Plan, which is a sequence of execution to follow, including options set at each stage of execution.
libclap.tar.bz2
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