I have a stupid little script for this:
#!/bin/sh
setres() {
output=$1
width=$2
height=$3
xrandr --output $output --brightness 0 --auto
xrandr --delmode $output better
xrandr --rmmode better
xrandr --newmode better $(cvt $width $height | tail -n1 | cut -d'"' -f3)
xrandr --addmode $output better
xrandr --output $output --brightness 1 --mode better
}
setres "$@"
Putting it in a function and the setres "$@" bit is superfluous here.
Eh, though you're right, it's a pattern I like a lot: define your "main" at the top, put all the supporting functions below, and call main at the end.
These days I've got a little bash task runner framework that I use for little scripts like this.
Nice script. What is the reason to toggle the brightness?
I didn't like the random blinking and glitchiness the screen did as it changed resolutions. Most OSes, if you notice, do a little fade out and in but I was too lazy to make it gradual.
That tool does not claim to support custom resolutions in any way.
Funny thing about this. I had always though that creating new resolutions didn't work because I would always encounter an error no matter what guide I followed. It wasn't until a month ago that I discovered that the new resolution thing with xrandr doesn't work on nvidia.
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Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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