1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/* File crlf.c
* June 20, 2006
* By Jessica Mink, Harvard-Smithsonian Center for Astrophysics
* Send bug reports to jmink@cfa.harvard.edu
Copyright (C) 2006
Smithsonian Astrophysical Observatory, Cambridge, MA USA
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
static int verbose = 0; /* verbose/debugging flag */
static void usage();
static void CRFix();
int
main (ac, av)
int ac;
char **av;
{
char *fn;
char *str;
/* crack arguments */
for (av++; --ac > 0 && *(str = *av) == '-'; av++) {
char c;
while ((c = *++str))
switch (c) {
case 'v': /* more verbosity */
verbose++;
break;
default:
usage();
break;
}
}
/* There are ac remaining file names starting at av[0] */
if (ac == 0)
usage ();
while (ac-- > 0) {
fn = *av++;
if (verbose)
printf ("%s:\n", fn);
CRFix (fn);
if (verbose)
printf ("\n");
}
return (0);
}
static void
usage ()
{
fprintf (stderr,"CRLF: Change carriage returns to linefeeds in a file\n");
fprintf(stderr,"Usage: crlf [-v] file1 file2 ... filen\n");
fprintf(stderr," -v: verbose\n");
exit (1);
}
static void
CRFix (name)
char *name;
{
char buffer[1000];
int fd;
int nbr, i;
fd = open (name, O_RDONLY);
nbr = 1000;
while (nbr > 0) {
nbr = read (fd, buffer, 1000);
if (nbr > 0) {
for (i = 0; i < nbr; i++) {
if (buffer[i] == (char) 13)
buffer[i] = (char) 10;
}
(void) write (1, buffer, nbr);
}
}
return;
}
/* Feb 10 1998 New program
*
* Apr 3 2005 Declare main to be int
*
* Jun 20 2006 Clean up code
*/
|
