# standalone2pkg
> Return the internal package name associated with a provided standalone package name.
## Usage
```javascript
var standalone2pkg = require( '@stdlib/namespace/standalone2pkg' );
```
#### standalone2pkg( pkg )
Returns the internal package name associated with a provided standalone package name.
```javascript
var v = standalone2pkg( '@stdlib/math-base-special-sin' );
// returns '@stdlib/math/base/special/sin'
```
If provided an unrecognized standalone package name, the function returns `null`.
```javascript
var v = standalone2pkg( '@stdlib/unrecognized_alias_beep_boop_bop_bip' );
// returns null
```
## Examples
```javascript
var discreteUniform = require( '@stdlib/random/base/discrete-uniform' );
var aliases = require( '@stdlib/namespace/aliases' );
var alias2standalone = require( '@stdlib/namespace/alias2standalone' );
var standalone2pkg = require( '@stdlib/namespace/standalone2pkg' );
var list;
var len;
var pkg;
var v;
var i;
list = aliases();
len = list.length;
for ( i = 0; i < 100; i++ ) {
v = list[ discreteUniform( 0, len-1 ) ];
pkg = alias2standalone( v );
console.log( 'alias: %s. standalone: %s.', v, pkg );
console.log( 'standalone: %s. pkg: %s.', pkg, standalone2pkg( pkg ) );
}
```
* * *
## CLI
### Usage
```text
Usage: stdlib-standalone2pkg [options]
Options:
-h, --help Print this message.
-V, --version Print the package version.
```
### Examples
```bash
$ stdlib-standalone2pkg '@stdlib/math-base-special-sin'
@stdlib/math/base/special/sin
```
## License
The data files (databases) are licensed under an [Open Data Commons Public Domain Dedication & License 1.0][pddl-1.0] and their contents are licensed under [Creative Commons Zero v1.0 Universal][cc0]. The software is licensed under [Apache License, Version 2.0][apache-license].
[pddl-1.0]: http://opendatacommons.org/licenses/pddl/1.0/
[cc0]: https://creativecommons.org/publicdomain/zero/1.0
[apache-license]: https://www.apache.org/licenses/LICENSE-2.0
[@stdlib/namespace/alias2standalone]: https://github.com/stdlib-js/namespace/tree/main/alias2standalone
[@stdlib/namespace/pkg2alias]: https://github.com/stdlib-js/namespace/tree/main/pkg2alias
[@stdlib/namespace/pkg2standalone]: https://github.com/stdlib-js/namespace/tree/main/pkg2standalone