| 1 | /* |
| 2 | * Copyright (c) 1988 Mark Nudleman |
| 3 | * Copyright (c) 1988 Regents of the University of California. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms are permitted |
| 7 | * provided that the above copyright notice and this paragraph are |
| 8 | * duplicated in all such forms and that any documentation, |
| 9 | * advertising materials, and other materials related to such |
| 10 | * distribution and use acknowledge that the software was developed |
| 11 | * by Mark Nudleman and the University of California, Berkeley. The |
| 12 | * name of Mark Nudleman or the |
| 13 | * University may not be used to endorse or promote products derived |
| 14 | * from this software without specific prior written permission. |
| 15 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
| 16 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
| 17 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| 18 | */ |
| 19 | |
| 20 | #ifndef lint |
| 21 | char copyright[] = |
| 22 | "@(#) Copyright (c) 1988 Mark Nudleman.\n\ |
| 23 | @(#) Copyright (c) 1988 Regents of the University of California.\n\ |
| 24 | All rights reserved.\n"; |
| 25 | #endif /* not lint */ |
| 26 | |
| 27 | #ifndef lint |
| 28 | static char sccsid[] = "@(#)vecho.c 5.2 (Berkeley) %G%"; |
| 29 | #endif /* not lint */ |
| 30 | |
| 31 | /* |
| 32 | * This dumb little program emulates the System V "echo" command, |
| 33 | * to accomodate BSD systems which don't understand the \c escape, |
| 34 | * meaning don't echo a newline. BSD uses "echo -n". |
| 35 | */ |
| 36 | |
| 37 | #include <stdio.h> |
| 38 | |
| 39 | int putnl; |
| 40 | |
| 41 | main(argc, argv) |
| 42 | int argc; |
| 43 | char *argv[]; |
| 44 | { |
| 45 | putnl = 1; |
| 46 | while (--argc > 0) |
| 47 | { |
| 48 | vecho(*++argv); |
| 49 | if (argc > 1) |
| 50 | putchar(' '); |
| 51 | } |
| 52 | if (putnl) |
| 53 | putchar('\n'); |
| 54 | } |
| 55 | |
| 56 | vecho(str) |
| 57 | char *str; |
| 58 | { |
| 59 | register char *s; |
| 60 | |
| 61 | for (s = str; *s != '\0'; s++) |
| 62 | { |
| 63 | if (*s == '\\' && s[1] == 'c') |
| 64 | { |
| 65 | putnl = 0; |
| 66 | return; |
| 67 | } |
| 68 | putchar(*s); |
| 69 | } |
| 70 | } |