Actually show help message if -h or --help is specified.
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Comparing `argv[1] == "-h"` doesn't work, since both are pointers to a char array. Type-casting one of them overloads `operator==` and allows using the conditional. Adding `-Wall`, just in case. P.S. Should <string> be explicitly included?..
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Comparing
argv[1] == "-h"doesn't work, since both arepointers to a char array. Type-casting one of them
overloads
operator==and allows using the conditional.Adding
-Wall, just in case.P.S. Should
<string>be explicitly included?..