Upgrading to DataFlex 3.2: Difference between revisions

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Here are some batch file examples for easy switching between versions of DataFlex. These batch files will run only on DOS-based operating systems or in DOS sessions under Windows.
Here are some batch file examples for easy switching between versions of DataFlex. These batch files will run only on DOS-based operating systems or in DOS sessions under Windows.


Many programmers, as well as end users, run multiple versions of DataFlex and use batch files to switch from version to version. Here at DAC we are always switching among versions: 3.1d, 3.2, Visual DataFlex 8.1, Visual DataFlex 8.2, etc..
Many programmers, as well as end users, run multiple versions of DataFlex and use batch files to switch from version to version.  


Following are some batch file examples for switching among versions. You’ll want to place these batch files in a directory that is included in your  PATH environment variable (e.g. use a directory c:\batch to be included in your  PATH, to contain all batch files).
Following are some batch file examples for switching among versions. You’ll want to place these batch files in a directory that is included in your  PATH environment variable (e.g. use a directory c:\batch to be included in your  PATH, to contain all batch files).
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Note: The DFPROG environment variable is used by DataFlex revisions 2.3 and 3.01 to find the location of its executable files (i.e. dfrun.exe).
Note: The DFPROG environment variable is used by DataFlex revisions 2.3 and 3.01 to find the location of its executable files (i.e. dfrun.exe).
Note: Writing batch files and using environment variables are advanced operating system topics. If you want to learn more about these topics, you can consult your operating system manuals or the maker of your operating system. You can also go to your local bookstore and find hundreds of books on using operating systems like DOS, Unix and Windows and creating batch processes for these systems. These topics are NOT supported by Data Access Corporation.


== Creating Shortcuts for Running DataFlex on Windows ==
== Creating Shortcuts for Running DataFlex on Windows ==