CrLf

gawk "{if(NR!=$1)print $1}" 1.txt
复制代码

或

@echo off&setlocal enabledelayedexpansion
for /f %%a in (1.txt) do (
   set /a n+=1
   if !n! neq %%a echo %%a
)
pause
复制代码

或

@echo off
for /f "tokens=1* delims=:" %%a in ('findstr /n . 1.txt') do (
   if %%a neq %%b echo %%b
)
pause
复制代码

或

sed "=" 1.txt|sed -n "N;s/^\(.*\)\n\1$//;p"|sed -n "n;p"
复制代码