C read file from command line

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 vote365 views1 answer
Xamarin command listview button
C
0 vote367 views1 answer
Create point cloud from rgbd image in open3d v0.10
C
-1 vote399 views2 answers
Open url from dev cpp
C
8 votes417 views3 answers
Yarn install no optional
C
0 vote462 views1 answer
Ecto where is not nil
C
2 votes366 views1 answer
C include uint8_t
C
3 votes381 views1 answer
C remove last character from a string
C
2 votes382 views1 answer
%.*s in c
C
0 vote372 views1 answer
Refresh a chromebook terminal
C
13 votes399 views6 answers
Mongo show db
C