diff options
Diffstat (limited to 'uniq.c')
-rw-r--r-- | uniq.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/uniq.c b/uniq.c deleted file mode 100644 index 53e3c64f2..000000000 --- a/uniq.c +++ /dev/null | |||
@@ -1,89 +0,0 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Mini uniq implementation for busybox | ||
4 | * | ||
5 | * | ||
6 | * Copyright (C) 1999,2000,2001 by Lineo, inc. | ||
7 | * Written by John Beppu <beppu@lineo.com> | ||
8 | * Rewritten by Matt Kraai <kraai@alumni.carnegiemellon.edu> | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License as published by | ||
12 | * the Free Software Foundation; either version 2 of the License, or | ||
13 | * (at your option) any later version. | ||
14 | * | ||
15 | * This program is distributed in the hope that it will be useful, | ||
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
18 | * General Public License for more details. | ||
19 | * | ||
20 | * You should have received a copy of the GNU General Public License | ||
21 | * along with this program; if not, write to the Free Software | ||
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
23 | * | ||
24 | */ | ||
25 | |||
26 | #include <stdio.h> | ||
27 | #include <string.h> | ||
28 | #include <getopt.h> | ||
29 | #include <errno.h> | ||
30 | #include <stdlib.h> | ||
31 | #include "busybox.h" | ||
32 | |||
33 | static int print_count; | ||
34 | static int print_uniq = 1; | ||
35 | static int print_duplicates = 1; | ||
36 | |||
37 | static void print_line(char *line, int count, FILE *fp) | ||
38 | { | ||
39 | if ((print_duplicates && count > 1) || (print_uniq && count == 1)) { | ||
40 | if (print_count) | ||
41 | fprintf(fp, "%7d\t%s", count, line); | ||
42 | else | ||
43 | fputs(line, fp); | ||
44 | } | ||
45 | } | ||
46 | |||
47 | int uniq_main(int argc, char **argv) | ||
48 | { | ||
49 | FILE *in = stdin, *out = stdout; | ||
50 | char *lastline = NULL, *input; | ||
51 | int opt, count = 0; | ||
52 | |||
53 | /* parse argv[] */ | ||
54 | while ((opt = getopt(argc, argv, "cdu")) > 0) { | ||
55 | switch (opt) { | ||
56 | case 'c': | ||
57 | print_count = 1; | ||
58 | break; | ||
59 | case 'd': | ||
60 | print_duplicates = 1; | ||
61 | print_uniq = 0; | ||
62 | break; | ||
63 | case 'u': | ||
64 | print_duplicates = 0; | ||
65 | print_uniq = 1; | ||
66 | break; | ||
67 | } | ||
68 | } | ||
69 | |||
70 | if (argv[optind] != NULL) { | ||
71 | in = xfopen(argv[optind], "r"); | ||
72 | if (argv[optind+1] != NULL) | ||
73 | out = xfopen(argv[optind+1], "w"); | ||
74 | } | ||
75 | |||
76 | while ((input = get_line_from_file(in)) != NULL) { | ||
77 | if (lastline == NULL || strcmp(input, lastline) != 0) { | ||
78 | print_line(lastline, count, out); | ||
79 | free(lastline); | ||
80 | lastline = input; | ||
81 | count = 0; | ||
82 | } | ||
83 | count++; | ||
84 | } | ||
85 | print_line(lastline, count, out); | ||
86 | free(lastline); | ||
87 | |||
88 | return EXIT_SUCCESS; | ||
89 | } | ||