source: MondoRescue/branches/stable/mindi-busybox/coreutils/seq.c@ 821

/* vi: set sw=4 ts=4: */
/*
 * seq implementation for busybox
 *
 * Copyright (C) 2004, Glenn McGrath
 *
 * Licensed under the GPL v2, see the file LICENSE in this tarball.
 */

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

int seq_main(int argc, char **argv)
{
    double last, first, increment, i;
    
    first = increment = 1;
    switch (argc) {
        case 4:
            increment=atof(argv[2]);
        case 3:
            first=atof(argv[1]);
        case 2:
            last=atof(argv[argc -1]);
            break;
        default:
            bb_show_usage();
    }

    /* You should note that this is pos-5.0.91 semantics, -- FK. */
    for (i = first;
         (increment > 0 && i <= last) || (increment < 0 && i >=last);
         i += increment)
    {
        printf("%g\n", i);
    }

    return EXIT_SUCCESS;
}