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|
Windows environment variables
=============================
[](https://ci.appveyor.com/project/egor-tensin/windows-env/branch/master)
A collection of simple utilities to manage Windows environment variables,
created mainly to:
* learn a bit of Haskell,
* make it easier to add directories to the `PATH` variable, list missing
directories in your `PATH`, etc.
Building
--------
Using [stack]:
```
> stack setup
...
> stack build
...
```
[stack]: http://docs.haskellstack.org/en/stable/README/
To prepare for making a release the following commands might be useful:
```
> stack build --install-ghc --copy-bins --local-bin-path ..\windows-env-x86 --arch i386
...
> stack build --install-ghc --copy-bins --local-bin-path ..\windows-env-x64 --arch x86_64
...
```
Installation
------------
```
> stack install
...
```
Usage
-----
The complete list of utilities is given below.
* [paths] — List directories in your `PATH`.
* [addpath] — Add directories to `PATH`.
* [delpath] — Remove directories from `PATH`.
* [setenv] — Assign values to environment variables.
* [delenv] — Delete environment variables.
Pass the `--help` flag to an utility to examine its detailed usage information.
Some examples are given below.
[paths]: #paths
[addpath]: #addpath
[delpath]: #delpath
[setenv]: #setenv
[delenv]: #delenv
### paths
List directories in your `PATH`:
```
> paths
C:\Program Files\Haskell\bin
C:\Program Files\Haskell Platform\8.0.1\lib\extralibs\bin
C:\Program Files\Haskell Platform\8.0.1\bin
C:\Users\Egor\AppData\Roaming\local\bin
C:\Users\Egor\AppData\Roaming\cabal\bin
...
```
Only list missing directories in your `PATH`:
```
> paths --missing
C:\Users\Egor\AppData\Roaming\cabal\bin
...
```
### addpath
Add "C:\test" to current user's `PATH`:
```
> addpath C:\test
Saving variable 'PATH' to 'HKCU\Environment'...
Old value: C:\Users\Egor\AppData\Roaming\local\bin;C:\Users\Egor\AppData\Roaming\cabal\bin
New value: C:\Users\Egor\AppData\Roaming\local\bin;C:\Users\Egor\AppData\Roaming\cabal\bin;C:\test
Continue? (y/n) y
```
Add "C:\test" to the global `PATH`, skipping the confirmation prompt:
```
> addpath --global -y C:\test
```
### delpath
Remove "C:\test" from current user's `PATH`:
```
> delpath C:\test
Saving variable 'PATH' to 'HKCU\Environment'...
Old value: C:\Users\Egor\AppData\Roaming\local\bin;C:\Users\Egor\AppData\Roaming\cabal\bin;C:\test
New value: C:\Users\Egor\AppData\Roaming\local\bin;C:\Users\Egor\AppData\Roaming\cabal\bin
```
Remove "C:\test" from both current user's and the global `PATH`s, skipping the
confirmation prompt:
```
> delpath --global -y C:\test
```
### setenv
Assign `bar` to the variable `foo` in current user's environment, skipping the
confirmation prompt:
```
> setenv -y foo bar
```
Assign `bar` to the variable `foo` in the global environment:
```
> setenv --global foo bar
Saving variable 'foo' to 'HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment'...
New value: bar
Continue? (y/n) y
```
### delenv
Delete the variable `foo` from current users's environment, skipping the
confirmation prompt:
```
> delenv -y foo
```
Delete the variable `foo` from the global environment:
```
> delenv --global foo
Deleting variable 'foo' from 'HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Environment'...
Continue? (y/n) y
```
License
-------
Distributed under the MIT License.
See [LICENSE.txt] for details.
[LICENSE.txt]: LICENSE.txt
|
