source: MondoRescue/branches/2.2.9/mindi-busybox/coreutils/seq.c@ 2142

/* 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 "libbb.h"

/* This is a NOFORK applet. Be very careful! */


int seq_main(int argc, char **argv);
int seq_main(int argc, char **argv)
{
    double last, increment, i;

    i = increment = 1;
    switch (argc) {
        case 4:
            increment = atof(argv[2]);
        case 3:
            i = 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. */
    while ((increment > 0 && i <= last) || (increment < 0 && i >= last)) {
        printf("%g\n", i);
        i += increment;
    }

    return fflush(stdout);
}