Missing Documentation for Passwords with Letters

[limitedAtonement]

It looks like the modes of operatior are:

• Provide a dictionary of all the passwords I want checked
• Provide a number range to use as passwords to check (either using range or custom-query STRING{start-end})
• Provide a year from which to create eight-digit numbers as passwords to check

Other operational modes are not listed. I would like to check all possible passwords with characters from a provided character set. I tried

for i in {a..z} {A..Z} {0..9}; do
    echo "$i" >> dictionary;
done;
./pdfrip -n 15 --filename ~/my.pdf wordlist dictionary;

but that only checked the 62 passwords provided in my word list. I'm guessing custom-query may be able to do what I want, but I don't see any documentation on it.

It would be nice if the default experience was just like pdfcrack, but utilizing multiple cores. At least documentation explaining how to do such a thing would be greatly appreciated.

[limitedAtonement]

I provided #11 which adds a word-guessing bruteforce mode.