base64 encoding and decoding

gistfile1.md

base64 encoding and decoding

Useful for decoding email message attachments

Source: http://superuser.com/questions/120796/os-x-base64-encode-via-command-line

To decode from Base64

openssl base64 -d -in <infile> -out <outfile>

OR

cat <filename> | openssl base64 -d

To encode to Base64

openssl base64 -in <infile> -out <outfile>

openssl is installed by default on Mac OS X