From: klee@unibwm.de   
      
   On 04.02.2022 23:11, Chris Roberts wrote:   
      
   > I have worked more with at bash and python, but now at a windows centric job   
   so trying to learn to do it all again with DOS..  :-(   
      
   Why not activate the "Windows Subsystem for Linux" and use bash?   
      
   https://docs.microsoft.com/en-us/windows/wsl/   
      
      
      
   > set ret=2029-06-8   
   > for /f "tokens=1,2* delims=- " %%G in ('ECHO %ret%') do (   
   >     Set RetY=%%G   
   >     Set RetD=%%H   
   >     Set RetM=%%I   
   > )   
   > set /a diff_y=%RetY%-%PresY%   
   > set /a diff_m=%RetM%-%PresM%   
   > set /a diff_d=%RetD%-%PresD%   
   > echo Present date is: %dd%   
      
   Just a note: numbers staring with "0" are octal numbers.   
   So if RetD is "08", it can't be used in a "set /a" command   
   because 08 isn't a legal octal number.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)