char **regex;
int nregex;
int ret = 0;
+ int want_finger_print = 0, i;
+ const char *pattern_file = NULL;
- if (argc < 2) {
- fprintf(stderr, "Usage : %s <pattern_file>\n", argv[0]);
+ for (i = 1; i < argc; i++)
+ if (!strcmp(argv[i], "--fingerprint"))
+ want_finger_print = 1;
+
+ else
+ pattern_file = argv[i];
+
+ if (!pattern_file) {
+ fprintf(stderr, "Usage : %s [--fingerprint] <pattern_file>\n", argv[0]);
exit(1);
}
goto err;
}
- if (!_read_spec(argv[1], ®ex, &nregex)) {
+ if (!_read_spec(pattern_file, ®ex, &nregex)) {
fprintf(stderr, "Couldn't read the lex specification\n");
ret = 3;
goto err;
goto err;
}
- printf("fingerprint: %x\n", dm_regex_fingerprint(scanner));
+ if (want_finger_print)
+ printf("fingerprint: %x\n", dm_regex_fingerprint(scanner));
_scan_input(scanner, regex);
_free_regex(regex, nregex);