progs/echo/echo.c


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#include <stdio.h>
#include <string.h>

int main(int argc, char *argv[]) {
    int newline = 1; // Default to printing a newline
    int start = 1;   // Start argument index

    if (argc > 1 && strcmp(argv[1], "-n") == 0) {
        newline = 0;
        start = 2;
    }

    for (int i = start; i < argc; i++) {
        printf("%s", argv[i]);
        if (i < argc - 1) {
            printf(" ");
        }
    }

    if (newline) {
        printf("\n");
    }

    return 0;
}