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May 21, 2016 01:21
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raspberry pi turn off hdmi connected display. Easier that the inverse. Only turn the display off if tvservice does not report it's already off.
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| #!/bin/bash | |
| set -o pipefail | |
| tvservice -s | grep -q '\[TV is off\]' | |
| if [[ $? -eq 1 ]]; then | |
| /usr/bin/tvservice -o &> /dev/null | |
| fi |
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