node-command-line

Simple node.js commandline or terminal interface to execute cli commands from node environment with/without promise

using node-command-line you can run commands synchronously/asynchronously and get the output as a promise.

npm info :

GitHub Info:

Install the package

$ npm install --save node-command-line

Method

| method | argument | functionality | |--------|----------|---------------| | run | command, true/false | run command synchronously/asynchronously based on using await and pass second parameter true or false to print from library or not. Default vaue is true.|

**Note:

I've added a basic sanitization step that removes characters commonly associated with shell command injection attacks. This helps prevent unwanted characters from being executed within the shell command.

Examples

Inject the dependencies

var cmd     = require('node-command-line')

Ex1: Execute the single command without wait

function runSingleCommandWithoutWait() {
  cmd.run('node --version');
  console.log('Executed your command :)');
}

In this example run the command node --version that will show the node version and also print Executed your command :). node version may shown after print Executed your command :) because of second command do not wait for executing the first command.

I've added a basic sanitization step that removes characters commonly associated with shell command injection attacks. This helps prevent unwanted characters from being executed within the shell command.

Output in console like:

 Executed your command :)
 
 v16.15.1
 

Ex2: Execute command and pass second parameter true/false to print from library or not

function runSingleCommandWithoutWait() {
  cmd.run('node --version', false); // Will not print output from library
  console.log('Executed your command :)');
}

In this example run the command node --version that will not sow the node version but print Executed your command :). node version won't show after print Executed your command :) because the second parameter passed false.

Output in console like:

 Executed your command :)
 

Ex3: Execute the single command with wait (using promise)

async function runSingleCommandWithWait() {
  await cmd.run('node --version');
  console.log('Executed your command :)');
}

In this example run the command node --version that will show the node version and also print Executed your command :). node version will show before print Executed your command :) because of second command will execute after executing the first command.

Output in console like:

 v16.15.1
 
 Executed your command :)
 

Ex4: Execute the multiple command without wait

async function runMultipleCommandWithoutWait() {
  var commands = ["node --version", "npm --version"];
  for (var i = 0; i < commands.length; i++) {
    cmd.run(commands[i]);
  }
  console.log('Executed your command :)');
}

In this example run the command node --version and npm --version that will show the node version and npm version also print Executed your command :). node and npm version may shown after print Executed your command :) because of `console.log`` do not wait for executing the first two command.

Output in console like:

 Executed your command :)
 
 v16.15.1
 
 9.8.1
 

Ex5: Execute the multiple command without wait

async function runMultipleCommandWithWait() {
  var commands = ["node --version", "npm --version"];
  for (var i = 0; i < commands.length; i++) {
    await cmd.run(commands[i]);
  }
  console.log('Executed your command :)');
}

In this example run the command node --version and npm --version that will show the node version and npm version also print Executed your command :). node and npm version will show before print Executed your command :) because of `console.log`` will be waiting for executing the first two command.

Output in console like:

 
 v16.15.1
 
 9.8.1
 
 Executed your command :)
 

Ex6: Execute the single command with async wait and get response

async function runSingleCommandWithWaitAndGetResponse() {
  let response = await cmd.run('node --version');
  if(response.success) {
    console.log('Response received===', response.message);
    // do something
    // if success get stdout info in message. like response.message
  } else {
    // do something
    // if not success get error message and stdErr info as error and stdErr. 
    //like response.error and response.stdErr
  }
 console.log('Executed your command :)');
}

Output in console like:

 
 Executed your command :)