1.2.9 • Published 4 years ago

command-exists v1.2.9

Weekly downloads
1,425,632
License
MIT
Repository
github
Last release
4 years ago

command-exists

node module to check if a command-line command exists

installation

npm install command-exists

usage

async

var commandExists = require('command-exists');

commandExists('ls', function(err, commandExists) {

    if(commandExists) {
        // proceed confidently knowing this command is available
    }

});

promise

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

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

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