Batch File: If registry key's data is equal to

Question

I\'m trying to make a .bat toggler for certain Explorer settings. To do this I need the batch file to query the Registry key\'s data and then set the key accordingly. For ex

Answer 1

The /d switch doesn't do what you think. It is a modifier to the /f switch, which is used to specify a search pattern. Unfortunately, /v already defines a search pattern, and they do not get along.

To check whether HideFileExt is set to 0, you can pipe reg's result to find:

reg query HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced /v HideFileExt | find "0x0"
if errorlevel 1 echo "HideFileExt is 0"
if errorlevel 0 echo "HideFileExt is not 0"