node.cobol's Introduction

node.cobol

Node.js bridge for COBOL which allows you to run Node.js code from COBOL.

You have to install Node.js on your machine. In case you do not have a COBOL compiler, you can install it by running:

# Ubuntu
sudo apt-get install open-cobol

# OS X
brew install gnu-cobol

📋 Example

      * Compile this file together with the node.cobol
      * modules:
      *
      *  $ cobc -x example/main.cbl lib/node-exec*.cbl
      *
      * Then execute the binary file:
      *
      *  $ ./main
       IDENTIFICATION DIVISION.
       PROGRAM-ID. MAIN.

       DATA DIVISION.
          WORKING-STORAGE SECTION.
          01 NODEJS-CODE PIC X(100) value "console.log('Hello World!')".

       PROCEDURE DIVISION.
      * Execute a short Node.js snippet
           CALL 'EXEC_NODEJS' USING NODEJS-CODE

           DISPLAY "Starting an HTTP server on port 8000".

      * Convert an image into ASCII/ANSI art
           CALL 'EXEC_NODEJS_FILE' USING "example/grace-hopper.js"

           DISPLAY "Starting an HTTP server on port 8000".

      * Starting an HTTP server in Node.js
           CALL 'EXEC_NODEJS_FILE' USING "example/server.js".
       STOP RUN.

To compile the program, use:

cobc -x example/main.cbl lib/node-exec*.cbl

📝 Documentation

The COBOL modules from the lib/ directory export the following subroutines:

`EXEC_NODEJS(code)`

code: The Node.js snippet to execute.

`EXEC_NODEJS_FILE(file)`

file: The Node.js file path.

😋 How to contribute

Have an idea? Found a bug? See how to contribute.

✨ Related

cobol—COBOL bridge for NodeJS which allows you to run COBOL code from NodeJS.
fortran—Fortran bridge for Node.js which allows you to run Fortran code from Node.js.
node.fortran—Execute Node.js in your Fortran programs.