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- /* Copyright (C) 1991 Aladdin Enterprises. All rights reserved.
- Distributed by Free Software Foundation, Inc.
-
- This file is part of Ghostscript.
-
- Ghostscript is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY. No author or distributor accepts responsibility
- to anyone for the consequences of using it or for whether it serves any
- particular purpose or works at all, unless he says so in writing. Refer
- to the Ghostscript General Public License for full details.
-
- Everyone is granted permission to copy, modify and redistribute
- Ghostscript, but only under the conditions described in the Ghostscript
- General Public License. A copy of this license is supposed to have been
- given to you along with Ghostscript so you can know your rights and
- responsibilities. It should be in a file named COPYING. Among other
- things, the copyright notice and this notice must be preserved on all
- copies. */
-
- /* uniq.c */
- /* A cheap MS-DOS substitute for just enough of the Unix uniq utility. */
- #include <stdio.h>
- #include <string.h>
-
- /* Usage:
- uniq
- * Reads from stdin, writes to stdout, eliminating any line that is
- * equal to the previous line.
- */
-
- main(int argc, char *argv[])
- { char x[200], y[200];
- char *a = x, *b = y, *t;
- b[0] = 0;
- while ( (*a = 0), gets(a), !feof(stdin) )
- { if ( strcmp(a, b) ) puts(a);
- t = a, a = b, b = t;
- }
- if ( *a && strcmp(a, b) ) puts(a);
- return 0;
- }
-