I know this is quite old but I came across this in my search for a solution. while((command = getopt(argc, argv, “a:”)) != -1){ switch(command){ case ‘a’: (…) optind–; for( ;optind < argc && *argv[optind] != ‘-‘; optind++){ DoSomething( argv[optind] ); } break; } I found that int optind (extern used by getopt() ) points … Read more
getopt() is actually a really simple function. I made a github gist for it, code from here is below too #include <string.h> #include <stdio.h> int opterr = 1, /* if error message should be printed */ optind = 1, /* index into parent argv vector */ optopt, /* character checked for validity */ optreset; /* … Read more
Wrong. Actually getopts does support optional arguments! From the bash man page: If a required argument is not found, and getopts is not silent, a question mark (?) is placed in name, OPTARG is unset, and a diagnostic message is printed. If getopts is silent, then a colon (:) is placed in name and OPTARG … Read more
As of python 2.7, optparse is deprecated, and will hopefully go away in the future. argparse is better for all the reasons listed on its original page (https://code.google.com/archive/p/argparse/): handling positional arguments supporting sub-commands allowing alternative option prefixes like + and / handling zero-or-more and one-or-more style arguments producing more informative usage messages providing a much … Read more
Using getopts to process long and short command line options