local args,options=require("shell").parse(...)
if options.help then
io.write([[
`echo` writes the provided string(s) to the standard output.
  -n      do not output the trialing newline
  -e      enable interpretation of backslash escapes
  --help  display this help and exit
]])
return
end
if options.e then
for index,arg in ipairs(args)do



args[index]=assert(load("return \""..arg:gsub('"',[[\"]]).."\""))()
end
end
io.write(table.concat(args," "))
if not options.n then
io.write("\n")
end