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/* crlf.c
* Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
*
* This file is free software; as a special exception the author gives
* unlimited permission to copy and/or distribute it, with or without
* modifications, as long as this notice is preserved.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#include <stdio.h>
int
main(int argc, char **argv)
{
int c, lc;
int off=0;
if( argc > 1 ) {
fprintf(stderr, "no arguments, please\n");
return 1;
}
lc = -1;
while( (c=getchar()) != EOF ) {
#if 0
if( c == '\r' && lc == ' ' )
fprintf(stderr,"SP,CR at %d\n", off );
if( c == '\n' && lc == ' ' )
fprintf(stderr,"SP,LF at %d\n", off );
#endif
if( c == '\n' && lc == '\r' )
putchar(c);
else if( c == '\n' ) {
putchar('\r');
putchar(c);
}
else if( c != '\n' && lc == '\r' ) {
putchar('\n');
putchar(c);
}
else
putchar(c);
lc = c;
off++;
}
return 0;
}
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