Merge pull request #13 from thytom/readme

Readme

README.md

@@ -21,7 +21,7 @@ See [module prerequisites][Module Prerequisites]
 
 ## Arch Linux
 
-There is an [AUR package](https://aur.archlinux.org/packages/dwmbar) for
+There is an [AUR package](https://aur.archlinux.org/packages/dwmbar-git) for
 dwmbar, which can be installed with your favourite aur helper, or manually.
 
 Please see the [archwiki
@@ -100,9 +100,16 @@ Currently available default modules are:
 - daypercentage		 - Shows how far through the day you are, in %
 - disksize			 - Shows the disk usage
 - ethernet			 - Shows ethernet connection
+- fanspeed           - Shows the rpm of your main fan
+- hostname           - Shows your current user and hostname
 - internet			 - Shows whether internet is available (TODO)
+- kernel             - Shows the kernel version
+- localip            - Shows your local IP address
 - mail				 - Shows how much mail you have
 - mpd				 - Shows MPD status
+- networkdowntraffic - Gets the download traffic in Kb/s
+- networkuptraffic   - Gets the upload traffic in Kb/s
+- publicip           - Shows your public IP address
 - ram				 - Shows RAM usage
 - redshift			 - Shows current screen temperature from Redshift
 - sunmoon			 - Displays a sun or moon for time of day
@@ -110,8 +117,9 @@ Currently available default modules are:
 - time				 - Displays time
 - todo				 - Prints the number of todos for the "t" todo manager
 - tor				 - Prints if the tor service is enabled
-- volume			- Prints volume in %
+- voidupdates        - Gets the number of updates available **Void Linux Only**
 - volumebar			 - Displays a volume bar
+- volume			 - Prints volume in %
 - weather			 - Shows weather info
 - wifi				 - Shows wifi connection
 
@@ -126,11 +134,15 @@ See Module Dependencies
 	- light
 * bluetooth
 	- bluez
+* fanspeed
+    - lmsensors
 * mail
 	- mutt/neomutt (We recommend [Luke Smith's Mutt-Wizard](https://github.com/LukeSmithxyz/mutt-wizard)) for configuration.
 * mpd
 	- mpd
 	- mpc
+* publicip
+    - curl
 * redshift
 	- redshift
 * sunmoon
@@ -141,6 +153,8 @@ See Module Dependencies
 	- [t todo manager](https://github.com/sjl/t)
 * tor
 	- tor
+* voidupdates
+    - xbps package manager
 * volume
 	- pulseaudio
 * volumebar

dwmbar

@@ -53,6 +53,11 @@ check_files(){
 		exit 1
 	fi
 
+    if [[ ! -d $CACHE_DIR ]]; then
+        echo "$CACHE_DIR does not exist." > /dev/stderr
+        exit 1
+    fi 
+
 	if [[ ! -f $DEFAULT_BAR_LOCATION ]]; then
 		echo "$DEFAULT_BAR_LOCATION does not exist." > /dev/stderr
 		exit 1