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Tips for Next Week's Lab


Command line arguments; Makefiles

  • Meaning and use of argc and argv[0], argv[1], ...
  • Read command line argument(s) and convert to integer/floating point number
  • Test if conversion was successful and produce error message in case of wrong user input

    prompt$ ./add3 1 2 a
    ./add3: found non-numerical argument
    

  • Write a Makefile to build executables for two of the programs