anchor.diff:  :gif
   cls
   title [GIF] %name% %version%
  -echo  
  -echo  Optimization settings GIF:
  -echo  
  +echo  -------------------------
  +echo  Optimization setting GIF:
  +echo  -------------------------
   echo.
   echo  [1] Default
   echo.
  -echo  [0] Skip GIF optimization
  +echo  [0] Skip
   echo.
   set "gif="
  -echo  
  -set /p gif="#Select parameter of optimization and press Enter [0-1]: "
  -echo  
  +echo  ---------------------------------------
  +set /p gif="#Select setting and press Enter [0-1]: "
  +echo  ---------------------------------------
   echo.
   if "%gif%" neq "0" if "%gif%" neq "1" goto:gif
   exit /b
  
positive.code: 
  :helpmsg
  title [Manual] %name% %version%
  1>&2 echo 
  1>&2 echo  Image Catalyst - program for complex optimization / compression image of the
  1>&2 echo  GIF, PNG and JPEG formats lossless. 
  1>&2 echo.
  1>&2 echo  Recommended to examine ReadMe
  1>&2 echo.
  
negative.code: :listerrfiles
  set "iserr="
  for %%a in ("%filelisterr%") do if %%~za gtr 0 (
  	set "iserr=1" & echo. & echo  Image with characters:
  	type "%%~a"
  	echo.
  )
  