always create txt MAD dump, but invoke vi only with MAD=1
-rw-r--r-- 1099 README
drwxr-xr-x - docs
-rwxr-xr-x 372 dump-card.sh
-rwxr-xr-x 9158 mifare-mad.pl
-rwxr-xr-x 2809 nfc-card-dumper.pl