+++ /dev/null
-/* PSPP - a program for statistical analysis.
- Copyright (C) 2006, 2010 Free Software Foundation, Inc.
-
- 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 3 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, see <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-#include <ctype.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* Replaces insignificant digits by # to facilitate textual
- comparisons. Not a perfect solution to the general-purpose
- comparison problem, because rounding that affects earlier
- digits can still cause differences. */
-int
-main (void)
-{
- bool in_quotes = false;
- bool in_exponent = false;
- int digits = 0;
-
- for (;;)
- {
- int c = getchar ();
- if (c == EOF)
- break;
- else if (c == '\n')
- in_quotes = false;
- else if (c == '"')
- {
- in_quotes = !in_quotes;
- in_exponent = false;
- digits = 0;
- }
- else if (in_quotes && !in_exponent)
- {
- if (strchr ("+dDeE", c) != NULL || (c == '-' && digits))
- in_exponent = true;
- else if (strchr ("0123456789}JKLMNOPQR", c) != NULL)
- {
- if (digits || c >= '1')
- digits++;
- if (digits > 13)
- c = isdigit (c) ? '#' : '@';
- }
- }
- putchar (c);
- }
- return EXIT_SUCCESS;
-}