WriteString["stderr", "[MathIO.m]"];

BeginPackage["MathIO`"];

Begin["`Private`"];

MathIO`pout::usage = "Prints its arguments to stdout; no implicit newline.";
pout[stuff__] := WriteString["stdout", stuff]

MathIO`perr::usage = "Prints its arguments to stderr; no implicit newline.";
perr[stuff__] := WriteString["stderr", stuff]

MathIO`read::usage =
  "Returns a line from STDIN (including the newline) or \"\" if EOF.  TODO: 
  this should read every character literally, not translate control 
  characters!  do what I'm doing with \\n's for others too.";
read[prompt_:""] := Module[{x=InputString[prompt]},
    If[x=="", "", StringDrop[StringReplace[x,"\n"->"\\n"],-2] <> "\n"]
]

MathIO`readList::usage = "Returns a list of all the lines on STDIN.";
readList[] := Take[NestWhileList[read[]&, "BOF", #!=""&], {2,-2}]

MathIO`strout::usage =
    "Does ToString on its arguments and returns the concatenation.";
strout[stuff___] := StringJoin@@(ToString/@{stuff})

End[];   (* Private context *)

EndPackage[];