批处理文件持续时间计算

Posted 2021-02-25

@echo off
for /f "tokens=1-14 delims= " %%A in ('systeminfo ^| find "System Up Time"') do set /a secs1=86400*%%D+3600*%%F+60*%%H+%%J
 
rem nothing here
 
for /f "tokens=1-14 delims= " %%A in ('systeminfo ^| find "System Up Time"') do set /a secs2=86400*%%D+3600*%%F+60*%%H+%%J
set /a secs3=secs2-secs1
echo %secs3% seconds taken.
pause