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--- blog:change_windows_desktop_background_for_day_and_night_using_batchfile [2010-12-23 08:14] – brb
+++ blog:change_windows_desktop_background_for_day_and_night_using_batchfile [2010-12-23 08:41] – brb
@@ Line 1: / Line 1: @@
 ====== Change windows desktop background for day and night, using batchfile ======
+Having a bright, blue wallpaper for day use and a darker, reddish wallpaper for evening/night is useful stay in synch with the real time of day. So, i wanted my windows xp machine automatically switch to the day wallpaper from 7-20 and to night from 20-7 hours. The following batch script does this, without any add-on software. To use, copy-paste the file and store it to your scripts directory (e:\etc in my case).
+{{:blog:wallpaper_day.jpg?320|}} {{:blog:wallpaper_night.jpg?320|}}
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+<input type="hidden" name="cmd" value="_s-xclick">
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+</form></html> at least 5 EUR/US$ for maintaining this blog, and i send you both pictures in full resolution!
+Advantages:
+  * No additional software (apart from the script) has to be installed
+  * No additional load on the computer by a desktop switcher, except from the tasks that you define yourself
+Notes:
+  * You must convert your jpg wallpaper to bmp (changing the dimensions to exactly match your screen). You can't directly use a jpg file as a windows wallpaper (the settings dialog creates a bmp file behind your back!).
+  * Configuration is by changing the set ... variable at the top of the file
+  * Test by calling the batchfile
+  * To automate the wallpaper switch:
+    * make a link in the windows autostart folder
+    * add an hourly task to the task manager (or even cleaner, two tasks at the switch times (7:00 and 20:00)
 <code winbatch>
@@ Line 14: / Line 37: @@
 set wpnight=e:\etc\wallpaper_night.bmp
 set wpday=e:\etc\wallpaper_day.bmp
-set daystarthour=8
+set daystarthour=7
 set dayendhour=20