Console progress bar example

progress.c

#include <stdio.h>
#include <unistd.h>

int main(int argc, const char *argv[])
{
    int i, j;
    for (i = 0; i <= 100; i++) {
        fprintf(stderr, "\rLoading [");
        for (j = 0; j < 100; j++) {
            fprintf(stderr, "%c", (i > j) ? '=' : '-');
        }
        fprintf(stderr, "]\t %3d%% ", i);

        /* Doing stuff */
        if (i % 4 == 0)
            usleep(10000);
        else if (i % 5 == 0)
            usleep(90000);
        else
            usleep(40000);
        /* End of stuff */
    }
    printf("\n");
    return 0;
}