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So far we have seen how the CommandLine library handles builtin types like Selecting an alternative from a set of possibilities ¶ Specified, allowing any of the following inputs: True to the variable), or it allows the values “ true” or “ false” to be The boolean parser, it allows no options (in which case it assigns the value of
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In the boolean case, however, so we must use a smarter parser. Literally into the content of the string variable… we obviously cannot do that The CommandLine library uses a different parser for different data types.įor example, in the string case, the argument passed to the option is copied That it is still shown in the “ -help-hidden” output). Modifier prevents it from being shown by the standard “ -help” output (note That the “ -q” option is specified with the “ cl::Hidden” flag. (“ Force”, “ Quiet”, and “ Quiet2”) to recognize these options. This does what you would expect: it declares three boolean variables Additionally it should be a simple referenceĬl :: opt Force ( "f", cl :: desc ( "Enable binary output on terminals" )) cl :: opt Quiet ( "quiet", cl :: desc ( "Don't print informational messages" )) cl :: opt Quiet2 ( "q", cl :: desc ( "Don't print informational messages" ), cl :: Hidden ) This document will hopefully let you jump in and start using CommandLine in your Naturally), ld style prefix options (to parse ‘ -lmalloc -L/usr/lib’), and interpreter style options. Ls style grouping options (to allow processing ‘ ls -lad’
ADVANCED MAC CLEANER COMMAND LINE NAME HOW TO
Show you how to use it, and what it can do. This document describes the CommandLine argument processing library. Dynamically adding command line options.The cl::ParseCommandLineOptions function.Controlling whether or not a value must be specified.
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Controlling the number of occurrences required and allowed.Determining absolute position with getPosition().Specifying positional options with hyphens.Selecting an alternative from a set of possibilities.