What does Enabledelayedexpansion mean?

Delayed Expansion will cause variables within a batch file to be expanded at execution time rather than at parse time, this option is turned on with the SETLOCAL EnableDelayedExpansion command. Variable expansion means replacing a variable (e.g. %windir%) with its value C:\WINDOWS.

How do I disable Enabledelayedexpansion?

Use setlocal DisableDelayedExpansion . On the command prompt, type setlocal /? to see this indicated. This related question (not a dupe) suggests using setlocal /? to get help with setlocal and also provides more information about setlocal in general.

What is Setlocal Enableextensions Enabledelayedexpansion?

setlocal ENABLEDELAYEDEXPANSION ENABLEEXTENSIONS set variable modifications local to this script, i.e., the change to variable value disappears after the script ends. The variables revert to their original values. Without setlocal, the changes of variables preserves even after the bat script exits.

What does Setlocal command do?

Use setlocal to change environment variables when you run a batch file. Environment changes made after you run setlocal are local to the batch file. The Cmd.exe program restores previous settings when it encounters an endlocal command or reaches the end of the batch file.

How do I check if command extensions are enabled?

How do I enable/disable command extensions?

  1. Start the registry editor (regedit.exe)
  2. Move to HKEY_CURRENT_USER\Software\Microsoft\Command Processor.
  3. Double click on EnableExtensions.
  4. Set to 1 for them to be enabled, or set to 0 for extensions to be disabled.
  5. Click OK.

What is Endlocal in batch file?

There is an implicit endlocal command at the end of a batch file. If command extensions are enabled (command extensions are enabled by default), the endlocal command restores the state of command extensions (that is, enabled or disabled) to what it was before the corresponding setlocal command was run.

What is CD D dp0?

cd /d %~dp0 will change the path to the same, where the batch file resides.

How do I enable an extension in CMD?

What are command Extensions?

Command Extensions. Command extensions enable extra features in NT shells. By default command extensions are enabled. However, to be absolutely sure that they are, either use SETLOCAL ENABLEEXTENSIONS within your NT shell scripts (batch files) or execute those scripts using CMD /X .

What is Endlocal command?

The endlocal command is used to stop the localization of the environment changes enabled by the setlocal command.