taler-mdb-qr-show(1)
####################

.. only:: html

   Name
   ====

   **taler-mdb-qr-show** - Show QR code on the framebuffer


Synopsis
========

**taler-mdb**
[**-c** *FILENAME* | **--config=**\ ‌\ *FILENAME*]
[**-d** *DELAY* | **--delay=**\ ‌\ *DELAY*]
[**-c** *FILENAME* | **--config=**\ ‌\ *FILENAME*]
[**-h** | **--help**]
[**-i** | **--backlight-invert**]
[**-L** _*LOGLEVEL* | **--log=**\ \ *LOGLEVEL*]
[**-l** _*FILENAME* | **--logfile=**\ \ *FILENAME*]
[**-v** | **--version**]
*URL*
**--**
*PROGRAM*


Description
===========

**taler-mdb-qr-show** is a command-line tool to show a QR code on a framebuffer display. The URL or text to be encoded in the QR code must be given as the last argument.  After the QR code has been shown for the specified *DELAY*, the next *PROGRAM* from the command line will be executed.

Its options are as follows:

**-c** *FILENAME* \| **--config=**\ ‌\ *FILENAME*
   Use the configuration and other resources for the Sync commands
   to operate from *FILENAME*.

**-d** *DELAY* \| **--delay=**\ ‌\ *DELAY*
   How long should we display the QR code before running *PROGRAM*.
   to operate from *FILENAME*.

**-h** \| **--help**
   Print short help on options.

**-i** \| **--backlight-invert**
   Invert the bit for turning on/off the backlight.

**-L** *LOGLEVEL* \| **--log=**\ \ *LOGLEVEL*
   Configure logging to use *LOGLEVEL*.

**-l** *FILENAME* \| **--logfile=**\ \ *FILENAME*
   Configure logging to write logs to *FILENAME*.

**-v** \| **–version**
   Print version information.


See Also
========

taler-mdb(1), taler.conf(5).


Bugs
====

Report bugs by using https://bugs.taler.net or by sending electronic
mail to <taler@gnu.org>.