tldr/pages/common/qr.md

qr

Generate QR codes in the terminal with ANSI VT-100 escape codes. More information: https://github.com/lincolnloop/python-qrcode/.

• Generate a QR code:

echo "{{data}}" | qr

• Specify the error correction level (defaults to M):

echo "{{data}}" | qr --error-correction={{L|M|Q|H}}