isInteractive()

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isInteractive()

New in version 4.2.版本4.2中的新功能。

Returns a boolean value indicating if the current mongo shell is running in interactive mode or in script mode:

  • true if in interactive mode
  • false if in script mode

Examples示例

Interactive Mode

Issuing Operations inside the Shell

Connect a mongo shell to a deployment. Inside the mongo shell, type:

isInteractive()

The method returns true.

Running a Javascript File inside the mongo Shell

Create a JavaScript testExample.js file with the content:

print("Is the shell in interactive mode?  " + isInteractive() );

Connect a mongo shell to a deployment. Inside the mongo shell, load the javascript file (see load()):

let loadStatus = load("testExample.js");  //You may need to specify the path to the file

The method returns in the mongo shell:

Is the shell in interactive mode?  true

Script Mode

Create a JavaScript testExample.js file with the content:

print("\n\nIs the shell in interactive mode?  " + isInteractive() );

From a terminal/command-line prompt (i.e. not inside the mongo shell), specify the javascript file to the mongo shell to execute the file:

mongo localhost:27017/test testExample.js

The operation prints to the terminal information about the MongoDB shell version and various information followed by:

MongoDB shell version v4.2.0
...


Is the shell in interactive mode?  false