anchor.diff:    echo Test > test.txt
     echo Test >> test.txt
     copy test.txt test.d2u
  -  dos2unix test.d2u
  +  %MSYSDIR%\dos2unix test.d2u
     fc /b test.txt test.d2u && (
  -    echo Add dos2unix and tar to PATH!
  +    echo Set MSYSDIR to usr\bin for MSys installation!
  +    echo This folder should contain the files tar.exe and dos2unix.exe
       exit /b 1
     )
     erase test.txt test.d2u
  
positive.code: 
    set ARC=..\_setup\bootstrap-refal-5-lambda-%VERSION%.tar.gz
    if not exist %ARC% erase %ARC%
    tar czvf %ARC:\=/% *
  
    set ARC=%ARC:tar.gz=zip%
    if not exist %ARC% erase %ARC%
  
negative.code:   for %%f in (..\..\distrib\*) do copy %%f %%~nxf
    for /d %%d in (..\..\distrib\*) do xcopy /e /i /y %%d %%~nxd
  
    %MSYSDIR%\dos2unix bin/*
    %MSYSDIR%\dos2unix bootstrap.*
    %MSYSDIR%\dos2unix clear.*
    for /F "tokens=*" %%f in ('dir /b /s *.sh *.cpp *.froms *.ref *.refi') do %MSYSDIR%\dos2unix "%%~f"
    %MSYSDIR%\dos2unix scripts/*
  
    erase c-plus-plus.conf.* .gitignore
  
  