@echo off
for %%i in (1.txt) do (
set fz=%%~zi
setlocal enabledelayedexpansion
if !fz! lss 1024 (
echo !fz! Byte
) else (
if !fz! lss 1048576 (
set /a fz=!fz!/1024&echo !fz! KB
) else (
set /a fz=!fz!/1048576&echo !fz! MB
)
)
endlocal
)
echo 文件大小為
pause
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