windows7系统上查找大于指定大小的文件

jtyryetwr

@echo off
setlocal enabledelayedexpansion

if "%1" equ "/?" (
    goto helpinfo
)

:///ensure the command have the "Dir" parameter
if "%1" equ "" (
    goto helpinfo
)

:///if first parameter is /c,collect info of the directories
if "%1" equ "/c" (
set /a dirnum=0
set /a filenum=0
set /a filesize0=0
set /a filesize1=0
for /r %2 %%a in (.) do (
    set /a dirnum=!dirnum! + 1
)
for /r %2 %%a in (*) do (
    set /a filenum=!filenum! + 1
set /a filesize0=!filesize0! + %%~za
if !filesize0! gtr  99999999 (
    set /a filesize1=filesize1 + filesize0 / 1024
set /a filesize0=0
)
)

set /a filesize1=filesize1 + filesize0 / 1024
echo all directories number  %2: !dirnum!
echo all files number  %2: !filenum!
echo all files size %2: !filesize1!K

exit /b 0
)

:///////////if first parameter is not "/c",find files
if not exist %1 (
    echo 目录不存在
exit /b 1
)

:///ensure the parameter [SIZE_VALUE] is numerial number

if "%2" neq "" (
    set /a temp = 1
set /a b = !temp! + %2

if !b! equ 1 (
    echo 文件大小值为非数值类型
    exit /b 1
) else (
    set /a standardSize = %2 * 1024
)
)
://////collect current dir information



if "%2" equ "" (
    call :findFileGreaterThan %1 1048576
) else (
call :findFileGreaterThan %1 %standardSize%
)
goto :eof




:findFileGreaterThan
:///get all file and file size ,output to %temp%\fileAndSize
set /a size = %2
for /r %1 %%a in (*) do (
    if %%~za gtr %size% echo %%~za %%a
)
goto :eof

:helpinfo
echo.
echo 获取指定目录下大于给定值的所有文件
echo.
echo  %0 dir [SIZE_VALUE]
echo  %0 /c [dir] 收集指定文件夹下[不指定dir，默认当前目录]的信息，包括：所有目录数，所有文件数
echo     dir 要搜索的目录,如果目录为驱动器，必须指定为此格式：c:\或者d:\
ECHO     SIZE_VALUE 文件大小临界值，单位为k,其中1k = 1024byte，不指定默认查找大于1M的文件
echo.
exit /b 0