fprintf(out, " -y, --show-hits\n");
fprintf(out, " highlight the matching substrings\n");
fprintf(out, " -u, --upper-case-makes-case-sensitive\n");
fprintf(out, " -y, --show-hits\n");
fprintf(out, " highlight the matching substrings\n");
fprintf(out, " -u, --upper-case-makes-case-sensitive\n");