lookpath
To check if the command exists and where the executable file is, WITHOUT using child_process
.
npm install lookpath
Example usage
const { lookpath } = require('lookpath');
const p = await lookpath('bash');
// "/bin/bash", otherwise "undefined"
Advanced usage
const p = await lookpath('bash', {
include: ['/home/hiromu/.bin'],
exclude: ['/mnt']
});
// include: Do scan also under `~/.bin`
// exclude: Do NOT scan under `/mnt`
Motivation
- I don't want to spawn
child_process
in order to kickwhich
,where
,whereis
, orcommand -v
. - then I checked Go implementation of
exec.LookPath
. - so I concluded that scanning under
$PATH
or$Path
is the best straightforward way to check if the command exists.
Issues
Any feedback would be appreciated ;)