application automation

tell application "Finder" to empty trash

computer operation

property target_URL : "http://macscripter.net/"
open location target_URL

system operation

set volume 7
beep 5
say "Hello!"
say "Hello!" using "Zarvox"

user interaction

display dialog "How are you today?" 
	buttons {"Lousy", "Good", "Great!"} 
	default button "Great!" 
	with icon 1 	[with icon note]
	giving up after 5
delay 60 -- //delay 60 seconds
display dialog "Please enter a number:" 
	default answer "5"

user input automation

tell application "System Events"
  tell process (path to frontmost application as string)
    keystroke "myPassword" & return
  end tell
end tell

script and shell automation

do shell script "cd ~/Documents; ls" 

path convertion

-- unix path to applescript path
set applePath to POSIX file "/myPath"
set applePath to POSIX file mySel as Unicode text
 
-- apple path to unix path
set bashPath to POSIX path of applePath

pipe data from command by bracket

display dialog (do shell script "echo $PATH")

text processing

change dock size

set dockPrefs to (path to preferences folder from user domain as text) & "com.apple.dock.plist"
 
-- get the current location of the dock and use that to toggle your settings
tell application "System Events"
tell property list file dockPrefs to set theLocation to value of property list item "orientation"
 
-- set the dock size: a value between 0 and 1
tell dock preferences
if theLocation is "bottom" then
set dock size to 0.1
else
set dock size to 0.9
end if
end tell
 
-- set the position: left, right, or bottom
tell property list file dockPrefs
if theLocation is "bottom" then
set value of property list item "orientation" to "left"
else
set value of property list item "orientation" to "bottom"
end if
end tell
end tell
 
-- quit and relaunch the dock with the new settings
tell application "Dock" to quit 

toggle keyboard function key

tell application "System Preferences"
	activate
	set current pane to pane "com.apple.preference.keyboard"
end tell
 
tell application "System Events"
	-- If we don't have UI Elements enabled, then nothing is really going to work.
	if UI elements enabled then
		tell application process "System Preferences"
			get properties
 
			click radio button "Keyboard" of tab group 1 of window "Keyboard & Mouse"
			click checkbox "Use all F1, F2, etc. keys as standard function keys" of tab group 1 of window "Keyboard & Mouse"
		end tell
		tell application "System Preferences" to quit
	else
		-- GUI scripting not enabled.  Display an alert
		tell application "System Preferences"
			activate
			set current pane to pane "com.apple.preference.universalaccess"
			display dialog "UI element scripting is not enabled. Please activate \"Enable access for assistive devices\""
		end tell
	end if
end tell

http://macdevelopertips.com/category/applescript