line-wrap

writable stream that reformats text and wraps lines to a specific line width (default 80).

also available as a command-line tool

installation

# server/client
npm install --save line-wrap
 
# CLI
npm install line-wrap -g

CLI usage

$ line-wrap
Usage: line-wrap <file> [-w 80] [--width=80] [-]
 
$ cat hello.txt
hello world
 
$ line-wrap hello.txt -w 2
he
ll
o 
wo
rl
d

JS usage

var lineWrap = require('line-wrap')
var wrapStream = lineWrap({width: 80}) // opts are optional, default is width: 80
 
process.stdin.pipe(wrapStream).pipe(process.stdout)