note that mode is modified by umask (4.3BSD-tahoe/bin/31)
[unix-history] / usr / src / bin / echo / echo.c
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1/*
2 * Copyright (c) 1989 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms are permitted
6 * provided that the above copyright notice and this paragraph are
7 * duplicated in all such forms and that any documentation,
8 * advertising materials, and other materials related to such
9 * distribution and use acknowledge that the software was developed
10 * by the University of California, Berkeley. The name of the
11 * University may not be used to endorse or promote products derived
12 * from this software without specific prior written permission.
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16 */
17
18#ifndef lint
19char copyright[] =
20"@(#) Copyright (c) 1989 The Regents of the University of California.\n\
21 All rights reserved.\n";
22#endif /* not lint */
23
24#ifndef lint
38a7acd0 25static char sccsid[] = "@(#)echo.c 5.2 (Berkeley) %G%";
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26#endif /* not lint */
27
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28#include <stdio.h>
29
38a7acd0 30/* ARGSUSED */
e9de962b 31main(argc, argv)
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32 int argc;
33 char **argv;
e9de962b 34{
38a7acd0 35 int nflag;
e9de962b 36
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37 ++argv;
38 if (!strcmp(*argv, "-n")) {
39 ++argv;
40 nflag = 1;
41 }
42 else
43 nflag = 0;
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44
45 while (*argv) {
46 (void)printf("%s", *argv);
47 if (*++argv)
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48 putchar(' ');
49 }
d8ddd012 50 if (!nflag)
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51 putchar('\n');
52 exit(0);
53}