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-rwxr-xr-xbrightness/brightnessdown3
1 files changed, 1 insertions, 2 deletions
diff --git a/brightness/brightnessdown b/brightness/brightnessdown
index 49e8594..e48bd82 100755
--- a/brightness/brightnessdown
+++ b/brightness/brightnessdown
@@ -1,4 +1,3 @@
#!/bin/bash
-cat /sys/class/backlight/intel_backlight/brightness | sed -e 's_^_(_' -e 's_$_-1)/2_' | bc | sudo tee /sys/class/backlight/intel_backlight/brightness
-
+echo $((($(cat /sys/class/backlight/intel_backlight/brightness) -1) / 2)) | sudo tee /sys/class/backlight/intel_backlight/brightness