erlang quick conversion of binary sha hash to printable hex/ascii

sha.erl

(akai@akai)27> Hex=fun(<<Hash:20/big-unsigned-integer-unit:8>>) ->
  lists:flatten(io_lib:format("~40.16.0b", [Hash])) end.

#Fun<erl_eval.6.106461118>
(akai@akai)28> Hex(<<200,152,0,191,200,46,208,30,214,227,191,213,64,140,81,39,68,145,247,212>>).     

"c89800bfc82ed01ed6e3bfd5408c51274491f7d4"
(akai@akai)29>

Thank you so much! Saving these here, in case someone else wants to decipher it quickly:

• https://erlang.org/doc/man/io_lib.html#fwrite-2
• https://erlang.org/doc/man/io.html#fwrite-3 (for Format options)
• Bit syntax refresher

1> Secret = crypto:hash(sha512, "password").
<<177,9,243,187,188,36,78,184,36,65,145,126,208,109,97,
  139,144,8,221,9,179,190,253,27,94,7,57,76,112,...>>
2> <<SHA512:512/big-unsigned-integer>> = Secret. 
<<177,9,243,187,188,36,78,184,36,65,145,126,208,109,97,
  139,144,8,221,9,179,190,253,27,94,7,57,76,112,...>>
3> io_lib:format("~128.16.0b", [SHA512]).
"b109f3bbbc244eb82441917ed06d618b9008dd09b3befd1b5e07394c706a8bb980b1d7785e5976ec049b46df5f1326af5a2ea6d103fd07c95385ffab0cacbc86"

(from this SO answer)