给定行号，使用批处理(.bat)脚本，如何删除文本文件的行? [英] How to delete a line of a text file, given the line number using batch (.bat) script?

问题描述

我想编写一个批处理脚本，用户可以在其中输入行号，该脚本将删除文本文件的该行.

I want to write a batch script where the user can enter the line number and the script will delete that line of a text file.

例如:tmp.txt

Eg: tmp.txt

1. aaa
2. bbb
3. ccc
4. ddd

我想在执行脚本并输入3时将tmp.txt设为

I want when i execute my script and user inputs 3, the tmp.txt to be

1. aaa
2. bbb
4. ddd

我正在尝试这样的事情:

I am trying something like this:

@ECHO OFF

SET /P LINENUMBER=Enter the Line No:

FOR /F "tokens=1* delims=[]" %%a IN ('FIND /n /v "" ^< tmp.txt') DO (   
    IF %%a equ %LINENUMBER% (
                  ????????????????????
    )
)

推荐答案

尝试一下:

@echo off & setlocal 
set "InFile=Z:\Text.txt" 
set "OutFile=Z:\Erg.txt" 
set /p LineToDelete=

if exist "%OutFile%" del "%OutFile%" 
for /f "tokens=1* delims=:" %%i in ('findstr /n $ "%InFile%"^|findstr /b "%LineToDelete%:"') do findstr /v /b /c:"%%j" "%InFile%">>"%OutFile%"

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