Read from command line c

Command line arguments c

int main(int argc, char* argv[]){/*...*/}

Read from command line c

#include <stdio.h>

int main(int argc, char **argv) {
    for (int i = 0; i < argc; ++i) {
        printf("argv[%d]: %s\n", i, argv[i]);
    }
}

/*
	[birryree@lilun c_code]$ ./a.out hello there
	argv[0]: ./a.out
	argv[1]: hello
	argv[2]: there
*/

Source: stackoverflow.com

C read file from command line

You can use as your main function:
int main(int argc, char **argv) 

So, if you entered to run your program:
C:\myprogram myfile.txt

argc will be 2
argv[0] will be myprogram
argv[1] will be myfile.txt

To read the file:
FILE *f = fopen(argv[1], "r");

Source: stackoverflow.com

Similar codes

0 vote98 views1 answer
C radians
C
3 votes120 views3 answers
Mp3 to ogg
C
0 vote106 views1 answer
How to do Employing defensive code in the UI to ensure that the current frame is the most top level window
C
0 vote114 views1 answer
Gdebi install with yes option
C
0 vote106 views1 answer
How to check if a string pointer is empty in c
C
0 vote101 views2 answers
How to know where segfaut is c
C
0 vote101 views1 answer
Insse suprafata arabila pe ani
C
1 vote98 views1 answer
C define
C
5 votes114 views5 answers
Kubernetes cheat sheet
C
2 votes109 views3 answers
Mongodb address already in use
C