lazysphere/command/yes.c

#include "command.h"
#include "lslib.h"

static void help(void) {
    printf("Usage: yes [STRING]\n\n");
    printf("Repeatedly output a line with all specified STRING(s), or 'y'.\n");
}

COMMAND(yes_main) {
    const char* repeat;
    int i;

    parse_help(argc, argv, help);

    if (argc == 0) {
        repeat = "y";
    } else {
        repeat = argv[0];
        for (i = 1; i < argc; i++) {
            *(argv[i]-1) = ' ';
        }
    }

    while (true) {
        printf("%s\n", repeat);
    }
}