error10

### Keybase proof

I hereby claim:

  * I am error10 on github.
  * I am error10 (https://keybase.io/error10) on keybase.
  * I have a public key ASDLv0ZzWIW1MecYnBvgn3p0LpFL5FxqpK4g4yFPyhKl_Qo

To claim this, I am signing this object:

error10

#!/usr/bin/env bash

# Check whether a named virtual machine exists.
#
# Arguments:
#   1: virtual machine name given by virsh
#
# Returns:
#   0 if virtual machine exists
#   1 if virtual machine does not exist