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path: root/macros/em-dash.lua
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script_name = "Em-dash"
script_description = "I do not have an em-dash key on my keyboard"
script_author = "garret"
script_version = "2.0.1"

local em = "—"

local function append(sub, sel)
	for si, li in ipairs(sel) do
		local line = sub[li]
		if string.sub(line.text, -1) == "-" then
			line.text = line.text:sub(1, #line.text - 1)
		end
			line.text = line.text..em
		sub[li] = line
	end
	aegisub.set_undo_point(script_name)
end

local function replace(sub, sel)
	for si, li in ipairs(sel) do
		local line = sub[li]
		local text = sub[li].text
		text = text:gsub("%-%-",em)
		line.text=text
		sub[li] = line
	end
	aegisub.set_undo_point(script_name)
end

aegisub.register_macro(script_name.."/Append", "Appends an Em-dash to the selected line(s)", append)
aegisub.register_macro(script_name.."/Replace", "Replaces -- with "..em, replace)