4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
27 * This file is part of Lustre, http://www.lustre.org/
31 #include <sys/types.h>
40 void usage(char *prog)
42 printf("usage: %s [option] filenamefmt count\n", prog);
43 printf(" %s [option] filenamefmt start count\n", prog);
44 printf("Options are:\n");
45 printf(" -d : remove directory\n");
46 printf("Examples:\n");
47 printf("unlinkmany $DIR/dir 100 # Remove file dir0..dir99\n");
48 printf("unlinkmany -d $DIR/dir 100 # Remove directory dir0..dir99\n");
51 int main(int argc, char **argv)
53 int i, rc = 0, do_rmdir = 0;
54 char format[4096], *fmt;
57 long begin = 0, count;
59 if (argc < 3 || argc > 5) {
64 if (strcmp(argv[1], "-d") == 0) {
70 if (strlen(argv[1]) > 4080) {
71 printf("name too long\n");
79 count = strtol(argv[2], NULL, 0);
81 printf("count must be at least one\n");
85 begin = strtol(argv[2], NULL, 0);
86 count = strtol(argv[3], NULL, 0);
89 if (strchr(argv[1], '%')) {
92 sprintf(format, "%s%%d", argv[1]);
96 for (i = 0; i < count; i++, begin++) {
97 sprintf(filename, fmt, begin);
101 rc = unlink(filename);
103 printf("%s(%s) error: %s\n",
104 do_rmdir ? "rmdir" : "unlink",
105 filename, strerror(errno));
109 if ((i % 10000) == 0) {
110 printf(" - unlinked %d (time %ld ; total %ld ; last %ld)\n",
111 i, time(0), time(0) - start, time(0) - last);
115 printf("total: %d unlinks in %ld seconds: %f unlinks/second\n", i,
116 time(0) - start, ((float)i / (time(0) - start)));