01.'use strict'
02.let fs = require('fs');
03.fs.readFile('head.txt','utf8',(err,data)=>{
04. let result=''
05. result+=data+'\n';
06. console.log(data);
07. fs.readFile('body.txt','utf8',(err,data)=>{
08. result+=data+'\n';
09. console.log(data);
10. fs.readFile('leg.txt','utf8',(err,data)=>{
11. result+=data+'\n';
12. console.log(data);
13. fs.readFile('feet.txt','utf8',(err,data)=>{
14. result+=data;
15. console.log(data);
16. fs.writeFile('robot.txt',result,'utf8',(err,data)=>{})
17. })
18. })
19. })
20.})
