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F8-x86_64 on the Acer Ferrari 3400LMi
Appendix B – dual-head.sh
#!/bin/bash
#
# Available at http://ferrari.databa.se/3400/f8/dual-head.sh
#
# A script to manipulate connected graphical outputs,
# including TV-out. It includes the most common operations
# and may also be configured to run on an XF86Display event.
# Typically Fn-F5 or similar on a laptop.
#
# Prerequisites:
# This script will work with one graphics card only.
# Furthermore it will only work with two CRTCs,
# i.e. two outputs may be simultaneous active.
#
# Comments:
# In order to optimize performance and minimize flicker
# xrandr is at most called twice. Once to read the current
# state and once for setting the new state. Thus, some code
# may look strange at the first glance.
#
# By Sven-Göran Bergh, 2008-01-01
#
### Edit user settings here: ######################################
#
DEFAULTACTION="toggle" # May be changed with argument 1
DEFAULTSIDE="left" # May be changed with argument 2
#
###################################################################
### Edit hardware specific settings here: #########################
#
INTERNAL="LVDS" # Specify the name of the internal display
TVOUTPUT="S-video" # Specify the name of the TV-output
TVMODE="pal" # Specify TV mode, PAL or NTSC
#
###################################################################
# Get X user
#XUSER=$(w | awk '$3 ~ /^:[0-9]$/ {print $1; nextfile}')
# Get X display (current or first running)
DISPLAY=${DISPLAY:= \
$( w | awk '$3 ~ /^:[0-9]$/ {print $3; nextfile}' )}
# Quit if no X-server is running
[ "${DISPLAY}" ] || exit 1
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