Batch Script - Reading from the Registry


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Reading from the registry is done via the REG QUERY command. This command can be used to retrieve values of any key from within the registry.

Syntax

REG QUERY [ROOT\]RegKey /v ValueName [/s] 
REG QUERY [ROOT\]RegKey /ve --This returns the (default) value

Where RegKey is the key which needs to be searched for in the registry.

Example

@echo off 
REG QUERY HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Windows\

The above command will query all the keys and their respective values under the registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Windows\

Output

The output will display all the keys and values under the registry key.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Windows\

This location in the registry has some key information about the windows system such as the System Directory location.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Windows
   Directory REG_EXPAND_SZ %SystemRoot%
   SystemDirectory REG_EXPAND_SZ %SystemRoot%\system32
   NoInteractiveServices REG_DWORD 0x1
   CSDBuildNumber REG_DWORD 0x4000
   ShellErrorMode REG_DWORD 0x1
   ComponentizedBuild REG_DWORD 0x1
   CSDVersion REG_DWORD 0x0
   ErrorMode REG_DWORD 0x0
   CSDReleaseType REG_DWORD 0x0
   ShutdownTime REG_BINARY 3AFEF5D05D46D101	
batch_script_registry.htm
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