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regdelta Flattr this

Diff, export, and sort Windows registry files.

Usage

regdelta [options] [key | file.reg] [key | file.reg]

Options:
-a | --all                  Compare/export all keys (HKCC HKCU HKCR HKLM HKU)
-x | --export key(s) ex.reg Export key(s) to ex.reg
-o | --output output.reg    Set output filename to 'output.reg'
-c | --comments             Include original values as comments in diff
-r | --regedit              Export in RegEdit format (implies -u -w)
-u | --unsorted             Do not sort the keys or values, as RegEdit
-w | --wordwrap             Wordwrap at 78 chars, as RegEdit
-v | --verbose              Show warnings that are normally hidden
-V | --version              Show version & copyright information & quit
-? | --help                 Show this help message and quit

Examples

 regdelta HKCU hkcu.reg              ; compare HKCU key with hkcu.reg
 regdelta HKCU\1 HKCU\2              ; compare HKCU\1 key with HKCU\2 key
 regdelta -o diff.reg HKCU hkcu.reg  ; compare HKCU key with hkcu.reg
 regdelta -x HKCU hkcu.reg           ; export HKCU key to hkcu.reg
 regdelta -xr HKCU\Software ex.reg   ; export HKCU to ex.reg in REGEDIT format
 regdelta -ax allkeys.reg            ; export all keys to allkeys.reg

Notes

regdelta.exe  reads and writes ASCII .reg files (Windows 9x/NT 4)
regdeltau.exe reads and writes Unicode .reg files (Windows 2000/XP/2003)

'key' can be one of the following:

HKCC	HKEY_CURRENT_CONFIG
HKCU	HKEY_CURRENT_USER
HKCR	HKEY_CLASSES_ROOT
HKLM	HKEY_LOCAL_MACHINE
HKU		HKEY_USERS

Reads entire registry into memory for performance, so this may be an issue in a low memory environment.

To Do

Compare currently only works on files created by regdelta. This will be fixed in a related release.

Add HKA | HKEY_ALL key

Options:

-e | --execute 'cmd' ex.reg Execute cmd & save differences to ex.reg
-s | --sort in.reg out.reg  Sort in.reg to out.reg

Examples:

 regdelta -s input.reg output.reg    ; sort input.reg to output.reg
 regdelta -e 'setup.exe /S' ex.reg   ; run setup & save differences in ex.reg

To emulate the --execute option, I've used this batch script, called regdiff.cmd:

@echo off
del "%TEMP%\~regdiff_?.reg" >nul 2>nul
regdelta.exe -ax "%TEMP%\~regdiff_1.reg"
start /wait %*
regdelta.exe -ax "%TEMP%\~regdiff_2.reg"
regdelta.exe -o "%~1_redo.reg" "%TEMP%\~regdiff_1.reg" "%TEMP%\~regdiff_2.reg"
regdelta.exe -o "%~1_undo.reg" "%TEMP%\~regdiff_2.reg" "%TEMP%\~regdiff_1.reg"
del "%TEMP%\~regdiff_?.reg" >nul 2>nul

Verify a Release

To verify a release, download the .zip, .sha256, and .asc files for the release (replacing regdelta-1.1-win32.zip with the release you are verifying):

$ wget https://github.com/rasa/regdelta/releases/download/v1.1/regdelta-1.1-win32.zip{,.sha256,.asc}

Next, check that sha256sum reports "OK":

$ sha256sum -c regdelta-1.1-win32.zip.sha256
regdelta-1.1-win32.zip: OK

Lastly, check that GPG reports "Good signature":

$ gpg --keyserver hkps.pool.sks-keyservers.net --recv-key 0x105a5225b6ab4b22
$ gpg --verify regdelta-1.1-win32.zip.asc regdelta-1.1-win32.zip
gpg:                using RSA key 0xFF914F74B4BB6EF3
gpg: Good signature from "Ross Smith II <[email protected]>" [ultimate]
...

Contributing

To contribute to this project, please see CONTRIBUTING.md.

Bugs

To view existing bugs, or report a new bug, please see issues.

Changelog

To view the version history for this project, please see CHANGELOG.md.

License

This project is MIT licensed.

Contact

This project was created and is maintained by Ross Smith II endorse

Feedback, suggestions, and enhancements are welcome.