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#include <stdio.h>
#include <stdlib.h>

int main(int argc, char* argv[]) {
    // ./append log.txt "Something happened!"

    if (argc != 3) {
        fprintf(stderr, "Usage:  %s <filename> <message>\n", argv[0]);
        return EXIT_FAILURE;
    }
    char* filename = argv[1];
    FILE* fp = fopen(filename, "a");  // "a" to append
    fprintf(fp, "%s\n", argv[2]);
    fclose(fp);
    
    return EXIT_SUCCESS;
}
/* vim: set tabstop=4 shiftwidth=4 fileencoding=utf-8 noexpandtab: */

© Copyright 2017 Alexander J. Quinn         This content is protected and may not be shared, uploaded, or distributed.