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- #!/bin/sh
- # Enable and disable HDMI output on the Raspberry Pi
- is_off ()
- {
- tvservice -s | grep "TV is off" >/dev/null
- }
- case $1 in
- off)
- tvservice -o
- ;;
- on)
- if is_off
- then
- tvservice -p
- curr_vt=`fgconsole`
- if [ "$curr_vt" = "1" ]
- then
- chvt 2
- chvt 1
- else
- chvt 1
- chvt "$curr_vt"
- fi
- fi
- ;;
- status)
- if is_off
- then
- echo off
- else
- echo on
- fi
- ;;
- *)
- echo "Usage: $0 on|off|status" >&2
- exit 2
- ;;
- esac
- exit 0
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