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screen rotation

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dtb 2021-12-11 21:26:58 -05:00
parent 4695ff98ca
commit 96770bb1fb
1 changed files with 33 additions and 0 deletions
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33
dotfiles-old/bin/rotate Executable file
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#!/bin/sh
set -e
ROTATION_FILE="$HOME/.rotation"
SCREEN="$1"
_core(){
case "$1" in
1) xrandr --output "$SCREEN" --rotate normal ;;
2) xrandr --output "$SCREEN" --rotate left ;;
3) xrandr --output "$SCREEN" --rotate inverted ;;
4) xrandr --output "$SCREEN" --rotate right ;;
*) return 1
esac
return 0
}
if [ -e "$ROTATION_FILE" ]
then ROTATION="$(dd <"$ROTATION_FILE" 2>/dev/null)"
if ! _core "$ROTATION"
then _core 1
ROTATION=2
else ROTATION=$(printf "%s + 1\n" "$ROTATION" | bc)
! [ "$ROTATION" -gt 4 ] \
|| ROTATION=1
fi
else _core 1
ROTATION=2
fi
printf "%s\n" "$ROTATION" >"$ROTATION_FILE"
exit 0