The arguments argc and argv of main is used as a way to send arguments to a program, the possibly most familiar way is to use the good ol’ terminal where a user could type cat file. Here the word cat is a program that takes a file and outputs it to standard output (stdout). … Read more
Guesswork (even educated guesswork) is fun but you really need to go to the standards documents to be sure. For example, ISO C11 states (my emphasis): If the value of argc is greater than zero, the string pointed to by argv[0] represents the program name; argv[0][0] shall be the null character if the program name … Read more
If you want to have your arguments C style (array of arguments + number of arguments) you can use $@ and $#. $# gives you the number of arguments. $@ gives you all arguments. You can turn this into an array by args=(“$@”). So for example: args=(“$@”) echo $# arguments passed echo ${args[0]} ${args[1]} ${args[2]} … Read more
argv and argc are how command line arguments are passed to main() in C and C++. argc will be the number of strings pointed to by argv. This will (in practice) be 1 plus the number of arguments, as virtually all implementations will prepend the name of the program to the array. The variables are … Read more