filter vcproj files into a lua table

vcproj2filelist.lua

require('pugilua')

local doc=pugi.xml_document()
local res=doc:load_file [[..\pugilua.vcproj]]
print('Parsed: '..res.description)
assert(res.valid)

local text='{\n'
local query1=doc:root():select_nodes('/VisualStudioProject/Files/Filter/File  | /VisualStudioProject/Files/File')
local n=query1.size
for i=0,n-1 do
	text=text..'\t\''..query1:get(i):node():attribute('RelativePath').value..'\''..'\n'
end
text=text..'}'

print(text)

--local f = assert(io.open("dump.txt", "w"))
--f:write(text)
--f:close()