CLI QR code generator for MS DOS
SYNTAX: QRSAY [options] /F file | MESSAGE
OPTIONS:
/I Invert image, use light on dark theme
/L x Request specific EC level, values: L, M, Q, H
/M x Request specific mask pattern, values: 0-7
/N Do not render QR code, only print its info
/O file Save QR code as text to the specified file
/V xxx Request specific version, values: 1-20
Re-creation of de-cryption scene in Sneakers movie using DOS codegenerator functionality.