From: jgqued@gmail.com   
      
   On Thursday, 7 September 2017 11:44:26 UTC+1, JJ  wrote:   
   > On Thu, 7 Sep 2017 00:35:27 -0700 (PDT), John Gray wrote:   
   > > In a called batch file, I would like to determine the name (as in %~n0) of   
   > > the batch file which called itme, but without passing this name as a   
   > > parameter.   
   > > Is this possible?   
   > > In second batch file,   
   > > I've done some searching in this group but can only find the suggestion to   
   give the name of the calling batch file as a parameter.   
   > >   
   > > Trivial example:   
   > >   
   > >:: Caller.bat   
   > > call called.bat   
   > > exit /b   
   > >   
   > >:: Called.bat   
   > >:: some code to find the name of the calling batch file   
   > > echo Called.bat was called by %name-of-caller%   
   > > goto :eof   
   >   
   > If without passing some information as a batch file parameter is your only   
   > requirement, then you can use either environment variable or a file instead.   
   > e.g.   
   >   
   >   ::Caller.bat   
   >   ::using environment variable   
   >   set caller=%~n0   
   >   call called.bat   
   >   goto :eof   
   >   
   >   ::Called.bat   
   >   ::using environment variable   
   >   echo Called.bat was called by %caller%   
   >   goto :eof   
   >   
   >   ::Caller.bat   
   >   ::using file   
   >   >"%temp%\caller.tmp" echo %~n0   
   >   call called.bat   
   >   goto :eof   
   >   
   >   ::Called.bat   
   >   ::using file   
   >   for /f "delims=" %%A in (%temp%\caller.tmp) do (   
   >     echo Called.bat was called by %%A   
   >   )   
   >   goto :eof   
      
   Thank you very much!  It's so very obvious once you say it!   
      
   To my surprise, that environment variable is available both before and after   
   setlocal in the called.bat file.   
      
     ::Caller.bat   
     ::using environment variable   
     set caller=%~n0   
     call called.bat %parm1% %parm2% %parm3%   
     goto :eof   
      
     ::Called.bat   
     ::using environment variable   
     echo %%caller%% before setlocal contains %caller%   
     setlocal   
     echo %%caller%% after  setlocal contains %caller%   
     echo Parameters are %1 %2 %3   
     echo Called.bat was called by %caller%   
     ...   
     endlocal   
     goto :eof   
      
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