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.. _commandscripting:
Command scripting
=================
VyOS supports executing configuration and operational commands non-interactively from shell scripts.
To include VyOS-specific functions and aliases you need to ``source /opt/vyatta/etc/functions/script-template`` files at the top of your script.
.. code-block:: sh
#!/bin/vbash
source /opt/vyatta/etc/functions/script-template
exit
Run configuration commands
--------------------------
Configuration commands are executed just like from a normal config session.
For example, if you want to disable a BGP peer on VRRP transition to backup:
.. code-block:: sh
#!/bin/vbash
source /opt/vyatta/etc/functions/script-template
configure
set protocols bgp 65536 neighbor 192.168.2.1 shutdown
commit
exit
Run operational commands
------------------------
Unlike a normal configuration sessions, all operational commands must be prepended with ``run``, even if you haven't created a session with configure.
.. code-block:: sh
#!/bin/vbash
source /opt/vyatta/etc/functions/script-template
run show interfaces
exit
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