readRegistry

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Read a Windows Registy Hive

Read values of keys in the Windows Registry, and optionally whole hives.

Keywords
utilities
Usage
readRegistry(key, hive = c("HLM", "HCR", "HCU", "HU", "HCC", "HPD"),
             maxdepth = 1, view = c("default", "32-bit", "64-bit"))
Arguments
key
character string, the path to the key in the Windows Registry.
hive
The ‘hive’ containing the key. The abbreviations are for HKEY_LOCAL_MACHINE, HKEY_CLASSES_ROOT. HKEY_CURRENT_USER, HKEY_USERS, HKEY_CURRENT_CONFIG and HKEY_PERFORMANCE_DATA
maxdepth
How far to recurse into the subkeys of the key. By default only the values of the key and the names of subkeys are returned.
view
On 64-bit Windows, the view of the Registry to be used: see ‘Details’.
Details

Registry access is done using the security settings of the current R session: this means that some Registry keys may not be accessible even if they exist. This may result in NULL values in the object returned, and, possibly, empty element names. On 64-bit Windows, this will by default read the 32-bit view of the Registry when run from 32-bit R, and the 64-bit view when run from 64-bit R: see https://msdn.microsoft.com/en-us/library/aa384232(VS.85).aspx.

Value

A named list of values and subkeys (which may themselves be named lists). The default value (if any) precedes named values which precede subkeys, and both the latter sets are sorted alphabetically.

Note

This is only available on Windows.

Aliases
  • readRegistry
Examples
library(utils) ## Not run: ------------------------------------ # ## on a 64-bit R need this to find 32-bit JAGS # readRegistry("SOFTWARE\\JAGS", maxdepth = 3, view = "32") # # ## See if there is a 64-bit user install # readRegistry("SOFTWARE\\R-core\\R64", "HCU", maxdepth = 2) ## ---------------------------------------------
Documentation reproduced from package utils, version 3.3.2, License: Part of R 3.3.2

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