How to insert a specific line of content into the third line of all txt texts in a folder - China DOS Union Forum

Through several days of online shopping batch processing materials, and then self-study, practice, achieve the goal. It's really amazing.

Now release the code, hope friends to correct. 2021-07-05

How to insert a specific data content into the third line of all txt texts in the folder:
@echo off
setlocal enabledelayedexpansion
for /f "delims=" %%a in ('dir /b *.txt') do (
for /f "usebackq delims=" %%b in ("%%a") do (
set/a n+=1

if !n! lss 0 ( exit
) else if !n! equ 3 (
echo ^(增加行文字lhc^)>>new_%%a
echo %%b>>new_%%a
) else (
echo %%b>>new_%%a
)

)
set/a n=0
)

@pause

Floor1　2906879113	Posted 2021-06-29 23:18
新手上路　Posts 2　Credits 2
Ask the expert: How to insert a specific data content in the third line of all txt texts in the folder: For example, the file names are as follows: aaaa.txt eeSeeee.txt ffffffff.txt 88X888.txt 66666.txt Insert after the second line in each file: (564789,21693,45655555). After insertion, the text becomes like this: 123 245XC （564789,21693,45655555） 34545 44545 5454 64545

Floor2　2906879113	Posted 2021-07-04 00:59
新手上路　Posts 2　Credits 2
Through several days of online shopping batch processing materials, and then self-study, practice, achieve the goal. It's really amazing. Now release the code, hope friends to correct. 2021-07-05 How to insert a specific data content into the third line of all txt texts in the folder: @echo off setlocal enabledelayedexpansion for /f "delims=" %%a in ('dir /b *.txt') do ( for /f "usebackq delims=" %%b in ("%%a") do ( set/a n+=1 if !n! lss 0 ( exit ) else if !n! equ 3 ( echo ^(增加行文字lhc^)>>new_%%a echo %%b>>new_%%a ) else ( echo %%b>>new_%%a ) ) set/a n=0 ) @pause