中国DOS联盟

@echo off

set SrcFile=C:\a.txt

set DstFirst=C:\b.txt

set DstLast=C:\c.txt



type nul>"%DstFirst%"

type nul>"%DstLast%"

for /f "tokens=1-3 delims= " %%a in ('findstr .* "%SrcFile%"') do (

  echo %%a>>"%DstFirst%"

  echo %%c>>"%DstLast%"

)

gawk "{print $1>\"first.txt\";print $NF>\"last.txt\"}" a.txt

@echo off&setlocal

for /f "delims=" %%a in (a.txt) do (

    for %%b in (%%a) do (

        if not defined batch (echo\%%b>>first.txt & set batch=cn-dos) else (set word=%%b)

    )

    set batch=

    if defined word call echo\%%word%%>>last.txt

)

@echo off& setlocal enabledelayedexpansion

for /f "tokens=1*" %%a in (a.txt) do (

    echo\%%a>>first.txt

    for %%c in (%%b) do set last=%%c

    echo\!last!>>last.txt

)