Professor Google told me to just use zbarimg:
zbarimg --raw /dev/video0
But I get:
ERROR: Unable to open file (/dev/video0)
I tried sudo, but that did not help.
recommendations?
I do wonder how it will "know" that I have the QR in front of the camera
and it is in proper focus...
Oh, my QR code has an X.509 CSR in it.
zbarimg ca/ca.csr.qr.png
QR-Code:-----BEGIN CERTIFICATE REQUEST-----
MIHNMIGAAgEAMBsxGTAXBgNVBAMMEDIwMDEwMDMwMDAwMDAwMDUwKjAFBgMrZXAD
IQDWAmjmz2StaT5bsFXXxuSMftBwE2CebtAruTWz1qz1PqAyMDAGCSqGSIb3DQEJ
DjEjMCEwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAgQwBQYDK2VwA0EA
ZVb+wQH2OEVug+5FFFgMGodzer/bx5R0UbiEbLosmgUvsxXKfmt7ULLD5WJ0X4x4
4/9ufAlAUJml9feSMSq3Dw==
-----END CERTIFICATE REQUEST-----
scanned 1 barcode symbols from 1 images in 0.33 seconds
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