批处理怎样把去掉后四位数字保留前边的数字然后加上HC的开头？

samsung4203

文本a里的数字想去掉后四位数字保留前边的数字，然后在保留的数字开头加上HC

1. 13111708252687032065
   
2. 13111619494175039363
   
3. 13111618031372030675
   
4. 13111616381287035026
   
5. 13111612282645034457
   
6. 13111611474246030174
   
7. 13111611474246030174
   
8. 13111610414043034722
   
9. 13102813173345030312

复制代码

foxJL

1. @echo off
   
2. for /f "delims=" %%i in (a.txt) do (set str=%%i&call echo,HC%%str:~0,-4%%)
   
3. pause

复制代码

1270697389

1. @ECHO OFF & setlocal ENABLEDELAYEDEXPANSION
   
2. 
   
3. for /f "delims=" %%a in (a.txt) do (
   
4.         set file=%%a
   
5.         set file=!file:~0,-4!
   
6.         echo CH!file!
   
7. )
   
8. pause

复制代码

samsung4203

谢谢两位的帮助 成功了！