ptしてpecoってvimるnyagosのlua

ppt.nyagos.lua

nyagos.alias.ppt = function(args)
    local sel = nyagos.eval('pt /column ' .. table.concat(args, ' ') ..  '| peco')
    if (#sel == 0) then
        return
    end
    local file, line, column = sel:match('(.*):(%d+):(%d+)')
    if ((file and line and column) == nil) then
        print("Error : Invalid format")
        print(" -> " .. sel)
        return
    end
    nyagos.exec('gvim.exe ' .. file .. ' +' .. line ..
                ' -c \":normal 0\"' .. ' -c \":normal ' .. tonumber(column) - 1 .. 'l\" &')
end