cd to current Xcode's project folder in Terminal

.profile

function cdxcode()
{
   path="`osascript ~/Codes/scripts/cdxcode.scpt 2>/dev/null`"
   if [ -n "$path" ]; then
      echo "cd to $path"
      cd "$path"
   else
      echo "no Xcode Project finded"
   fi  
}

cdxcode.scpt

to split(aString, delimiter)
	set oldastid to AppleScript's text item delimiters
	set AppleScript's text item delimiters to delimiter
	set pieces to aString's text items
	set AppleScript's text item delimiters to oldastid
	return pieces
end split

tell application id "com.apple.dt.Xcode"
	set my_work_space to active workspace document
	--	set my_projects to projects of my_work_space
	--	set my_project to item 1 of my_projects
	set my_windows to windows
	set my_window to item 1 of my_windows
	set window_name to name of my_window
	tell me
		set ppp to split(window_name, ".xcodeproj")
	end tell
	set projname to item 1 of ppp
	tell project projname
		set xxxxxx to project directory
	end tell
end tell