anchor.diff:  :#                                                                            #
   :#  History                                                                   #
   :#   2014-12-02 JFL Created this script, reusing my Library.bat routines.     #
  +:#   2018-01-23 JFL Added option -2 to output the result to stderr.           #
   :#                                                                            #
   :#          Copyright 2016 Hewlett Packard Enterprise Development LP         #
   :# Licensed under the Apache 2.0 license  www.apache.org/licenses/LICENSE-2.0 #
   :##############################################################################
   
   setlocal EnableExtensions EnableDelayedExpansion
  -set "VERSION=2014-12-02"
  +set "VERSION=2018-01-23"
   set "SCRIPT=%~nx0"
   set "SPATH=%~dp0" & set "SPATH=!SPATH:~0,-1!"
   set "ARG0=%~f0"
  
positive.code: 
  call :Now
  set ENDED=%HOUR%:%MINUTE%:%SECOND%.%MS%
  %ECHO.V% Ended at %ENDED%
  
  call :Time.Delta %STARTED% %ENDED% -f
  %ECHO% Duration: %DH%:%DM%:%DS%.%DMS%
  
  
negative.code: :Start
  call :Now
  set STARTED=%HOUR%:%MINUTE%:%SECOND%.%MS%
  %>DEBUGOUT% %ECHO.V% Starting at %STARTED%
  
  for /l %%n in (1,1,%NLOOPS%) do (
    %EXEC% %ARGS%
  