slicing stream like buffer/string
$ npm install stream-slice --savevarfs=require('fs');varslice=require('stream-slice').slice;fs.createReadStream('your path').pipe(slice(10,100)).on('data',function(){// here we only get the buffer from 10th to 100th.});slicing file
varfs=require('fs');varslice=require('stream-slice').slice;fs.createReadStream('sourc file path').pipe(slice(0,200)).pipe(fs.createWriteStream('dest file path'));MIT