local utils = {}

function utils.readfile(command)
    local file = io.open(command)
    if not file then return nil end
    local text = file:read('*all')
    file:close()
    return text:gsub("^%s*(.-)%s*$", "%1")
end

function utils.file_exists(name)
   local f=io.open(name,"r")
   if f~=nil then io.close(f) return true else return false end
end

function utils.home()
    return os.getenv("HOME") .. "/"
end

return utils