@echo off&setlocal enabledelayedexpansion
for /f "tokens=1* delims=|" %%a in (1.txt) do set /a n+=1,.%%a+=1&set "_!n!=%%a|%%b"
(for /l %%a in (1,1,%n%) do (
  for /f "tokens=1* delims=|" %%b in ("!_%%a!") do if !.%%b! leq 5 echo,%%b^|%%c
))>2.txt
start 2.txt
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@echo off&setlocal enabledelayedexpansion
for /f "delims=|" %%a in ('sort 1.txt') do (
        set "str5=!str4!"
        set "str4=!str3!"
        set "str3=!str2!"
        set "str2=!str1!"
        set "str1=%%a"
        if "!str5!"=="!str1!" (
        	if not defined . (
        		set .=.
        		set "#=!#!/ic:"%%a^|" "
        	)
        ) else set .=
)
if defined # (findstr /v %#% 1.txt>2.txt)else copy /y 1.txt 2.txt
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@gawk -F"|" "FNR!=NR&&ar[$1]<5;{ar[$1]+=1}" 1.txt 1.txt>2.txt
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gawk -F "|" "{a[$1][n++]=$0}END{for(i in a){x=length(a[i]);if(x>=5&&x<=8){for(j in a[i])print a[i][j]}}}" 1.txt > 2.txt
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for /f "usebackq delims=|" %%i in ("%~f1")do if defined _%%i (set/a "_%%i+=1")else set "_%%i=1"
for /f "usebackq delims=" %%i in ("%~f1")do for /f "delims=|" %%j in ("%%i")do (
 echo,总行数:!_%%j!	变量:%%j
 rem:这里自行添加各种判断和输出
)
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