(* Linux Shell Command Test *)

(* Copyright (C)2018-2023, Philip Munts dba Munts Technologies.                *)
(*                                                                             *)
(* Redistribution and use in source and binary forms, with or without          *)
(* modification, are permitted provided that the following conditions are met: *)
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(*   this list of conditions and the following disclaimer.                     *)
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(* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" *)
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(* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  *)
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(* POSSIBILITY OF SUCH DAMAGE.                                                 *)

MODULE test_command;

FROM Args IMPORT Narg, GetArg;
FROM FIO IMPORT FlushOutErr;
FROM STextIO IMPORT WriteString, WriteLn;
FROM SWholeIO IMPORT WriteCard;

FROM liblinux IMPORT LINUX_command;

VAR
  success : BOOLEAN;
  cmd     : ARRAY [0 .. 255] OF CHAR;
  status  : CARDINAL;
  error   : CARDINAL;

BEGIN
  WriteLn;
  WriteString("Linux Shell Command Test");
  WriteLn;
  WriteLn;
  FlushOutErr;

  (* Show usage *)

  IF Narg() <> 2 THEN
    WriteString("Usage: test_command <command string>");
    WriteLn;
    WriteLn;
    FlushOutErr;
    HALT(1);
  END;

  (* Extract command string from the command line *)

  success := GetArg(cmd, 1);

  (* Execute the command string *)

  LINUX_command(cmd, status, error);
  WriteLn;
  FlushOutErr;

  (* Display results *)

  WriteString("status => ");
  WriteCard(status, 0);
  WriteString(" error => ");
  WriteCard(error, 0);
  WriteLn;
  FlushOutErr;
END test_command.