Read all text from stdin to a string

Question

I\'m writing a program in Node.js that (in some situations) wants to act as a simple filter: read everything from stdin (up to end of file), do some processing, write the re

Answer 1

I use the following in Node 11+

 async function read(stream) {
   const chunks = [];
   for await (const chunk of stream) chunks.push(chunk); 
   return Buffer.concat(chunks).toString('utf8');
 }

Usage:

const input = await read(process.stdin);