transform input into equally-sized blocks of output
npm install block-stream2transform input into equally-sized chunks as output
streams3 version of
block-stream
`` js
const BlockStream = require('block-stream2');
const through = require('through2');
process.stdin
.pipe(new BlockStream({ size: 16, zeroPadding: true }))
.pipe(through((buf, enc, next) => {
const str = buf.toString().replace(/[\x00-\x1f]/g, chr);
console.log(buf[${buf.length}]=${str});\\x${pad(s.charCodeAt(0).toString(16),2)}
next();
}))
;
function chr (s) { return }`
function pad (s, n) { return Array(n - s.length + 1).join('0') + s }
`
$ echo {c,d,f}{a,e,i,o,u}{t,g,r} | node example/stream.js
buf[16]=cat cag car cet
buf[16]=ceg cer cit cig
buf[16]=cir cot cog cor
buf[16]=cut cug cur dat
buf[16]=dag dar det deg
buf[16]=der dit dig dir
buf[16]=dot dog dor dut
buf[16]=dug dur fat fag
buf[16]=far fet feg fer
buf[16]=fit fig fir fot
buf[16]=fog for fut fug
buf[16]=fur\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00
` js`
const BlockStream = require('block-stream2');
Create a new transform stream b that outputs chunks of length size oropts.size.
When opts.zeroPadding is false, do not zero-pad the last chunk.
With npm do:
`
npm install block-stream2
MIT