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OtherTitleHow To ... JavaScript

Introduction

  • Node.js® is an open-source, cross-platform JavaScript runtime environment and is a frequently used scripting language available for Linux, MacOS, Windows, and other platforms.
  • This article explains how to syntactically include Node.js® scripts with JS7 job scripts.

Unix

  • Find the below examples for download (.json upload)run-Node.js-unix.workflow.json
  • In order to directly run Node.js® script code from a JS7 shell job script the recommended approach is to use a shebang like this:

    Code Block
    languagejs
    titleExample how run Node.js® script code with a shebang
    linenumberstrue
    #!/usr/bin/node
    
    var name =(process.env.name);
    var num = parseInt(process.env.num);
    
    //print value of variable   
    console.log( name);
    console.log( num);
  • As a bad alternative the Node.js® executable can be invoked directly and can be parameterized like this
  • Node.js® script can be executed from a file that has to be located by the executing Agent:
Code Block
languagejs
titleExample how to run Node.js® script code from a file
linenumberstrue
node  /home/{User}/JS7-2.5.1/demo_Node.js

Windows

...

In order to directly run Node.js® script code from a JS7 shell job script the recommended approach is to use a shebang replacement like this:

Code Block
languagejs
titleExample how run PowerShell® script code with a shebang replacement
linenumberstrue
@@findstr/v "^@@f.*&" "%~f0"|node.exe -&goto:eof

var name =(process.env.name);
var num = parseInt(process.env.num);

//print value of variable   
console.log( name);
console.log( num);

Explanation:

...

e.g. @@findstr/v "^@@f.*&" "%~f0"|node.exe -&goto:eof

Last but not least a Node.js® script can be executed from a file that has to be located by the executing Agent:

...

languagejs
titleExample how to run Node.js® script code from a file
linenumberstrue

...