Batch file 使用基于值的批处理文件从文本文件中删除回车

我有一个文本文件，我想编辑，因此想删除最后一行。我对此有以下代码：

for /f "delims=" %%a in (input.txt) do (
echo/|set /p ="%%a%"
)>>output.txt

输入：

GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;
GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;
GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;
GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;
GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;
GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;

输出：

GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;

现在，我想按组编辑数据，例如按第一个值编辑数据，以便获得以下输出：

GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;
GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;

---

如果我将（input.txt）do…循环中/F“delims=“%%a”的

替换为等效的：

输出：

1st run：
2>NUL del output.txt&D:\bat\CR\61816520.bat

下一次运行：
D:\bat\CR\61816520.bat

你的问题不清楚

基于。。。第一个值（GRUPPEA）

它是
SORT
ed吗？还是在同一行上重复写

@echo off
SETLOCAL EnableExtensions EnableDelayedExpansion

::VARIABLES
set "in=input.txt" IN file
set "out=output.txt" OUT file

set/a"#lines=0"
set "gruppe="
set "prevContent="

::Count lines
FOR /F %%L in ('
"findstr /N "^^" "%in%" %= do not skip empty lines =%"
') do set/a"#lines+=1" %= Get the # of lines =%


::Read IN via SET /P #LINES number of times
::Bangs (!) will be lost
<"%in%" >"%out%" (FOR /L %%# in (1 1 %#lines%) do (
    set "data="                           ::clear DATA
    set/p"data="                          ::read from IN
    FOR /F tokens^=1^ delims^=^;^ eol^= %%T in ("!data!") do set "gruppe=%%T"
    if NOT "!prevContent!" == "!gruppe!" (
        set "prevContent=!gruppe!"
        echo(
    )
    <nul set/p"=!data!"                    ::does not work with leading space, tabs, or equal signs
)) %= read file by lines via SET /P =%

exit /b

@echo关闭
SETLOCAL EnableExtensions EnableDelayedExpansion
：：变量
在文件中设置“in=input.txt”
设置“out=output.txt”输出文件
设置/a“#行=0”
设置“gruppe=”
设置“prevContent=”
：：数行
对于/F%%L英寸（'
“findstr/N”^^“%in%”%=不要跳过空行=%
“）是否设置/a”#行数+=1”%=获取行数=%
：：通过SET/P读取#行次数
刘海（！）将丢失
“%out%”（FOR/L%%#in（11%#行%）do(
设置“data=”：：清除数据
设置/p“data=”：：从中读取
对于（“！data！”）中的/F标记^=1^delims^=^；^eol^=%%T，请设置“gruppe=%%T”
如果不是“！prevContent！”==”！gruppe！”(
设置“prevContent=！gruppe！”
回音(
)
…基于什么值？对不起，第一个值（GRUPPEA）…基于第一个值排序？您的问题仍然不清楚
GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;
GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;
GRUPPEC;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEC;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEC;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;

GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;
GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;
GRUPPEC;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEC;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEC;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;
GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEA;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;
GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEB;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;
GRUPPEC;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEC;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;GRUPPEC;123;12345;sdfdsfds;sdfdsfsdfs;sdfsdfafsf;

@echo off
SETLOCAL EnableExtensions EnableDelayedExpansion

::VARIABLES
set "in=input.txt" IN file
set "out=output.txt" OUT file

set/a"#lines=0"
set "gruppe="
set "prevContent="

::Count lines
FOR /F %%L in ('
"findstr /N "^^" "%in%" %= do not skip empty lines =%"
') do set/a"#lines+=1" %= Get the # of lines =%


::Read IN via SET /P #LINES number of times
::Bangs (!) will be lost
<"%in%" >"%out%" (FOR /L %%# in (1 1 %#lines%) do (
    set "data="                           ::clear DATA
    set/p"data="                          ::read from IN
    FOR /F tokens^=1^ delims^=^;^ eol^= %%T in ("!data!") do set "gruppe=%%T"
    if NOT "!prevContent!" == "!gruppe!" (
        set "prevContent=!gruppe!"
        echo(
    )
    <nul set/p"=!data!"                    ::does not work with leading space, tabs, or equal signs
)) %= read file by lines via SET /P =%

exit /b