Date: Thu, 19 Jul 2012 20:49:55 +0200 From: Frank Dittrich <frank_dittrich@...mail.com> To: john-dev@...ts.openwall.com Subject: Should john always warn if the same option is used more than once? I knew this "worked" for --config=, but it seems this "works" for other options as well: $ ./john --list=formats --list=rules jumbo single-extra nt wordlist extra single $ ./john --list=rules --list=formats des, bsdi, md5, bf, afs, lm, dynamic_n, bfegg, crc32, dmd5, dominosec, epi, gost, hdaa, ipb2, keychain, krb4, krb5, lotus5, md4-gen, mediawiki, mscash, ... For some options, such a check is implemented: $ ./john --stdout --wordlist=john.bash_completion --wordlist Invalid options combination or duplicate option: "--wordlist" Should john detect multiple uses of the same option (instead of silently using the last value specified), and warn or even exit with an error code? I guess there is no valid reason to use the same option multiple times. Frank
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