@echo off
for /f  %%i in (hm.txt) do (
if defined _%%i (set /a _%%i+=1
) else (set _%%i=1)
)
for /f "tokens=1,2 delims=_=" %%a in ('set _') do echo 出现 %%a 的次数     %%b
pause
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gawk "{a[$0]+=1}END{for (i in a) print i,a[i]}" hm.txt > hm_new.txt
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@echo off&setlocal enabledelayedexpansion
cd.>list.txt
for /f %%a in (hm.txt) do (
     if not defined _%%a (
        set /a _%%a=1
        ) else (
        set /a _%%a+=1
    )
)
for /l %%a in (0,1,999) do (
     set "str=00%%a"&set "str=!str:~-3!"
     if defined _!str! (
        for %%a in (!str!) do echo 数!str!出现次数为!_%%a!次>>list.txt
        ) else (
        echo 数!str!没有出现过>>list.txt
    )
)
start list.txt
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@echo off&setlocal enabledelayedexpansion
for /f %%i in (hm.txt) do set /a "_%%i+=1"
    for /l %%i in (1001 1 1999) do (
    set "str=%%i"
    set "str=!str:~-3!"
    if defined _!str! (for %%j in (_!str!) do echo !str!出现次数 !%%j!)else echo !str!出现次数 0
)
pause
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