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/*
* =========================================================================
* block_opt - A program to add newlines to an optional-format USGS DLG file.
* Copyright (c) 1997 Fred M. Erickson
*
* 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 2, 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* =========================================================================
*
* This program blocks the information in an optional-format DLG file
* by adding a newline after each record. (Records are
* a multiple of 80 bytes.)
*
* The program reads from stdin and writes to stdout.
*/
#include <stdio.h>
main()
{
unsigned char buf[80];
int start_flag = 0;
unsigned char nl = '\n';
int ret_val;
while ((ret_val = read(0, buf, 80)) > 0) {
/* if ((buf[0] >= 'A') && (buf[0] <= 'Z')) { */
if (start_flag != 0) {
write(1, &nl, 1);
}
else {
start_flag = 1;
}
write(1, buf, ret_val);
/* } */
}
write(1, &nl, 1);
if ((ret_val != 0) && (ret_val != 80)) {
fprintf(stderr, "read() returned %d\n", ret_val);
exit(0);
}
}
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