#include
#include
int main(int argc, char *argv[])
{
FILE *fp;
char ch;
if(argc!=2) {
printf("You forgot to enter the filename.\n");
exit(1);
}
if((fp=fopen(argv[1], "w"))==NULL) {
printf("Cannot open file.\n");
exit(1);
}
do {
ch = getchar();
putc(ch, fp);
} while (ch != '$');
fclose(fp);
return 0;
}