@echo off & setlocal enabledelayedexpansion
cd /d %~dp0

::去重，保留唯一前缀名
for /f "delims=-" %%i in ('dir /b /a-d *.jpg') do (
	if "!str!" neq "%%~ni"  set /a "n+=1" & set "a!n!=%%~ni" & set "str=%%~ni" 
)

REM echo;n=%n%
(for /l %%i in (1 1 %n%) do (	
	REM echo;!a%%i!   ==== %%i
	for /f "delims=" %%x in ('dir /b /a-d *.jpg ^|find /c "!a%%i!"') do	echo;!a%%i! 页数：%%x
))>list.txt

pause>nul 
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@echo off
setlocal enabledelayedexpansion

(
    for %%i in ( 打印_*.jpg ) do (
        rem s1=当前行
        set "s1=%%i"

        if not "!s1:~0,8!" == "!s2:~0,8!" (
            if defined s2 (echo;!s2:~0,8! !n!)
            if not "!n!" == "1" (set n=1)
        ) else (set /a n+=1)

        rem s2=上一行
        set "s2=%%i"
    )
    if defined s2 (echo;!s2:~0,8! !n!)

) > Result.Log

pause
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PowerShell "dir '打印_[0-9][0-9][0-9][0-9][0-9]*.jpg' | group{$_.Name.SubString(0,8)} | ForEach{$_.Name + ' ' + $_.Count}" > 1.LOG
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