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comparison miscellany/less-177/vecho.c @ 0:bce86c4163a3

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Initial revision
author kono
date Mon, 18 Apr 2005 23:46:02 +0900
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-1:000000000000 0:bce86c4163a3
1 /*
2 * This dumb little program emulates the System V "echo" command,
3 * to accommodate BSD systems which don't understand the \c escape,
4 * meaning don't echo a newline. BSD uses "echo -n".
5 */
6
7 #include <stdio.h>
8
9 int putnl;
10
11 main(argc, argv)
12 int argc;
13 char *argv[];
14 {
15 putnl = 1;
16 while (--argc > 0)
17 {
18 vecho(*++argv);
19 if (argc > 1)
20 putchar(' ');
21 }
22 if (putnl)
23 putchar('\n');
24 exit(0);
25 }
26
27 vecho(str)
28 char *str;
29 {
30 register char *s;
31
32 for (s = str; *s != '\0'; s++)
33 {
34 if (*s == '\\' && s[1] == 'c')
35 {
36 putnl = 0;
37 return;
38 }
39 putchar(*s);
40 }
41 }