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- #!/bin/sh
-
- BRIGHTNESS=$(( `grep brightness: /proc/acpi/toshiba/lcd | cut -d: -f2` + 0 ))
- MAXBRIGHT=$(( `grep brightness_levels: /proc/acpi/toshiba/lcd | cut -d: -f2` - 1 ))
-
- if [ "x$1" = "x" ]; then
- echo $BRIGHTNESS / $MAXBRIGHT
- elif [ "x$1" = "xdown" ]; then
- if [ "x$BRIGHTNESS" != "x0" ]; then
- BRIGHTNESS=$(( $BRIGHTNESS - 1 ))
- echo 'brightness : '$BRIGHTNESS > /proc/acpi/toshiba/lcd
- fi
- elif [ "x$1" = "xup" ]; then
- if [ "x$BRIGHTNESS" != "x$MAXBRIGHT" ]; then
- BRIGHTNESS=$(( $BRIGHTNESS + 1 ))
- echo 'brightness : '$BRIGHTNESS > /proc/acpi/toshiba/lcd
- fi
- else
- echo >&2 Unknown argument $1
- fi
-