AppleScript + Keynote

move_to_next_slide.scpt

tell application "Keynote"
	activate
	if not (exists document 1) then error number -128
	try
		if playing is false then start the front document
	end try
	tell the front document -- or "tell document 1"
		-- my console_log("slide number of current slide: " & slide number of current slide, "my_log")
		-- my console_log("slide number of last slide: " & slide number of last slide, "my_log")
		if slide number of current slide is less than slide number of last slide then
			show next
		end if
	end tell
end tell

to console_log(log_string, log_file)
	do shell script ¬
		"echo `date '+%Y-%m-%d %T: '`\"" & log_string & ¬
		"\" >> $HOME/Desktop/" & log_file & ".txt"
end console_log

move_to_previous_slide.scpt

tell application "Keynote"
	activate
	if not (exists document 1) then error number -128
	try
		if playing is false then start the front document
	end try
	tell the front document -- or "tell document 1"
		-- my console_log("slide number of current slide: " & slide number of current slide, "my_log")
		-- my console_log("slide number of last slide: " & slide number of last slide, "my_log")
		if slide number of current slide is not equal to slide number of first slide then
			show previous
		end if
	end tell
end tell

to console_log(log_string, log_file)
	do shell script ¬
		"echo `date '+%Y-%m-%d %T: '`\"" & log_string & ¬
		"\" >> $HOME/Desktop/" & log_file & ".txt"
end console_log

move_to_specific_slide.scpt

-- usage
-- $ osascript move_to_specific_slide.scpt 2 # SlideNumber

on run argv
	
	tell application "Keynote"
		activate
		if not (exists document 1) then error number -128
		stop document 1 -- fuck
		tell document 1
			-- set sliderNumber to 2
			set sliderNumber to (item 1 of argv) as integer
			if sliderNumber is greater than 0 and sliderNumber is less than ((slide number of last slide) + 1) then
				start from slide sliderNumber
				
			end if
		end tell
	end tell
	
end run