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+---
+layout: post
+summary: In which I path xmobar for Debian SID
+title: xmobar on debian SID
+---
+
+If you are using [xmonad](http://www.xmonad.org/) and [xmobar](http://code.haskell.org/~arossato/xmobar/) on [Debian SID](http://www.debian.org/) on a laptop, and don't see any battery information, you may have test this [solution](http://5e6n1.wordpress.com/2009/03/30/xmobar-battery-plugin-using-sysfs-not-procfs/).
+
+If this didn't solve your problem, try this patch on SysfsBatt.hs :
+
+{% highlight diff %}
+52c52
+< let path = sysfsPath ++ p ++ "/charge_full"
+---
+> let path = sysfsPath ++ p ++ "/energy_full"
+62c62
+< let path = sysfsPath ++ p ++ "/charge_now"
+---
+> let path = sysfsPath ++ p ++ "/energy_now"
+74c74
+< else showWithColors (printf "%.2f%%") stateInPercentage
+---
+> else showWithColors (printf "Batt: %.2f%%") stateInPercentage
+{% endhighlight %}
+
+Then as before:
+
+{% highlight bash %}
+% runhaskell Setup.lhs configure --user
+% runhaskell Setup.lhs build
+% runhaskell Setup.lhs install --user
+{% endhighlight %}
+
+Battery information should be visible.