ikan Uploader :
Directory : /proc/self/root/home/saurabh/.npm/_npx/249ca9fcd30c476a/node_modules/command-exists/
Upload File : |
| Current File : //proc/self/root/home/saurabh/.npm/_npx/249ca9fcd30c476a/node_modules/command-exists/README.md |
command-exists
==============
node module to check if a command-line command exists
## installation
```bash
npm install command-exists
```
## usage
### async
```js
var commandExists = require('command-exists');
commandExists('ls', function(err, commandExists) {
if(commandExists) {
// proceed confidently knowing this command is available
}
});
```
### promise
```js
var commandExists = require('command-exists');
// invoked without a callback, it returns a promise
commandExists('ls')
.then(function(command){
// proceed
}).catch(function(){
// command doesn't exist
});
```
### sync
```js
var commandExistsSync = require('command-exists').sync;
// returns true/false; doesn't throw
if (commandExistsSync('ls')) {
// proceed
} else {
// ...
}
```
## changelog
### v1.2.7
Removes unnecessary printed output on windows.
### v1.2.6
Small bugfixes.
### v1.2.5
Fix windows bug introduced in 1.2.4.
### v1.2.4
Fix potential security issue.
### v1.2.0
Add support for promises
### v1.1.0
Add synchronous version
### v1.0.2
Support for windows
Kontol Shell Bypass