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| #include "stdio.h"
#include "stdlib.h"
#include "ctype.h"
int main(void){
FILE * fi, * fo;
if ((fi = fopen("test.txt", "rt")) == NULL) {
puts("Cannot open input file.\n");
system("pause");
return 1;
}
if ((fo = fopen("test_out.txt","wt")) == NULL) {
puts("Cannot create output file.\n");
system("pause");
return 1;
}
char n;
fscanf( fi, "%c", &n );
while( !feof(fi) ) {
if ((n == '-')){
fscanf(fi, "%c",&n);
if (isdigit(n))
fprintf( fo, "%c", n );
else
fprintf(fo,"%c%c",'-',n);
fscanf( fi, "%c", &n );
}else{
fprintf( fo, "%c", n );
fscanf( fi, "%c", &n );
}
}
fclose(fi);
fclose(fo);
system("pause");
return 0;
} |
