是否有一种内置的方法来测量Windows命令行上命令的执行时间?
当前回答
如果有人来这里寻找这个问题的答案,有一个Windows API函数叫做GetProcessTimes()。编写一个小的C程序来启动这个命令、执行这个调用并返回进程时间,看起来并没有太多的工作。
其他回答
下面的脚本模拟*nix纪元时间,但它是本地和区域性的。它应该处理日历边缘情况,包括闰年。如果Cygwin可用,则可以通过指定Cygwin选项来比较epoch值。
我在EST,报告的差异是4小时,这是相对正确的。有一些有趣的解决方案可以删除TZ和区域依赖,但我注意到没有什么微不足道的。
@ECHO off
SETLOCAL EnableDelayedExpansion
::
:: Emulates local epoch seconds
::
:: Call passing local date and time
CALL :SECONDS "%DATE%" "%TIME%"
IF !SECONDS! LEQ 0 GOTO END
:: Not testing - print and exit
IF NOT "%~1"=="cygwin" (
ECHO !SECONDS!
GOTO END
)
:: Call on Cygwin to get epoch time
FOR /F %%c IN ('C:\cygwin\bin\date +%%s') DO SET EPOCH=%%c
:: Show the results
ECHO Local Seconds: !SECONDS!
ECHO Epoch Seconds: !EPOCH!
:: Calculate difference between script and Cygwin
SET /A HOURS=(!EPOCH!-!SECONDS!)/3600
SET /A FRAC=(!EPOCH!-!SECONDS!)%%3600
:: Delta hours shown reflect TZ
ECHO Delta Hours: !HOURS! Remainder: !FRAC!
GOTO END
:SECONDS
SETLOCAL EnableDelayedExpansion
:: Expecting values from caller
SET DATE=%~1
SET TIME=%~2
:: Emulate Unix epoch time without considering TZ
SET "SINCE_YEAR=1970"
:: Regional constraint! Expecting date and time in the following formats:
:: Sun 03/08/2015 Day MM/DD/YYYY
:: 20:04:53.64 HH:MM:SS
SET VALID_DATE=0
ECHO !DATE! | FINDSTR /R /C:"^... [0-9 ][0-9]/[0-9 ][0-9]/[0-9][0-9][0-9][0-9]" > nul && SET VALID_DATE=1
SET VALID_TIME=0
ECHO !TIME! | FINDSTR /R /C:"^[0-9 ][0-9]:[0-9 ][0-9]:[0-9 ][0-9]" > nul && SET VALID_TIME=1
IF NOT "!VALID_DATE!!VALID_TIME!"=="11" (
IF !VALID_DATE! EQU 0 ECHO Unsupported Date value: !DATE! 1>&2
IF !VALID_TIME! EQU 0 ECHO Unsupported Time value: !TIME! 1>&2
SET SECONDS=0
GOTO SECONDS_END
)
:: Parse values
SET "YYYY=!DATE:~10,4!"
SET "MM=!DATE:~4,2!"
SET "DD=!DATE:~7,2!"
SET "HH=!TIME:~0,2!"
SET "NN=!TIME:~3,2!"
SET "SS=!TIME:~6,2!"
SET /A YEARS=!YYYY!-!SINCE_YEAR!
SET /A DAYS=!YEARS!*365
:: Bump year if after February - want leading zeroes for this test
IF "!MM!!DD!" GEQ "0301" SET /A YEARS+=1
:: Remove leading zeros that can cause octet probs for SET /A
FOR %%r IN (MM,DD,HH,NN,SS) DO (
SET "v=%%r"
SET "t=!%%r!"
SET /A N=!t:~0,1!0
IF 0 EQU !N! SET "!v!=!t:~1!"
)
:: Increase days according to number of leap years
SET /A DAYS+=(!YEARS!+3)/4-(!SINCE_YEAR!%%4+3)/4
:: Increase days by preceding months of current year
FOR %%n IN (31:1,28:2,31:3,30:4,31:5,30:6,31:7,31:8,30:9,31:10,30:11) DO (
SET "n=%%n"
IF !MM! GTR !n:~3! SET /A DAYS+=!n:~0,2!
)
:: Multiply and add it all together
SET /A SECONDS=(!DAYS!+!DD!-1)*86400+!HH!*3600+!NN!*60+!SS!
:SECONDS_END
ENDLOCAL & SET "SECONDS=%SECONDS%"
GOTO :EOF
:END
ENDLOCAL
PowerShell为此提供了一个cmdlet,称为Measure-Command。您必须确保在运行PowerShell的机器上是可用的。
PS> Measure-Command { echo hi }
Days : 0
Hours : 0
Minutes : 0
Seconds : 0
Milliseconds : 0
Ticks : 1318
TotalDays : 1.52546296296296E-09
TotalHours : 3.66111111111111E-08
TotalMinutes : 2.19666666666667E-06
TotalSeconds : 0.0001318
TotalMilliseconds : 0.1318
Measure-Command捕获命令的输出。你可以使用Out-Default将输出重定向回控制台:
PS> Measure-Command { echo hi | Out-Default }
hi
Days : 0
...
正如Makotoe所评论的那样,Measure-Command返回一个TimeSpan对象,因此测量的时间被打印为一堆字段。你可以使用ToString()将对象格式化为时间戳字符串:
PS> (Measure-Command { echo hi | Out-Default }).ToString()
hi
00:00:00.0001318
如果Measure-Command中的命令改变了控制台文本的颜色,使用[console]::ResetColor()将其重置为正常。
我的代码为您提供以毫秒为单位的运行时间,最高可达24小时,它是地区不敏感的,如果代码运行到午夜,则为负值。它使用延迟扩展,应该保存在cmd/bat文件中。
代码之前:
SETLOCAL EnableDelayedExpansion
for /f "tokens=2 delims==" %%I in ('wmic os get localdatetime /format:list') do set t=%%I
set /a t1 = %t:~8,1%*36000 + %t:~9,1%*3600 + %t:~10,1%*600 + %t:~11,1%*60 + %t:~12,1%*10 + %t:~13,1% && set t1=!t1!%t:~15,3%
代码之后:
for /f "tokens=2 delims==" %%I in ('wmic os get localdatetime /format:list') do set t=%%I
set /a t2 = %t:~8,1%*36000 + %t:~9,1%*3600 + %t:~10,1%*600 + %t:~11,1%*60 + %t:~12,1%*10 + %t:~13,1% && set t2=!t2!%t:~15,3%
set /a t2-=t1 && if !t2! lss 0 set /a t2+=24*3600000
如果你想让运行时间以HH:mm:ss为单位。000格式,添加:
set /a "h=t2/3600000,t2%%=3600000,m=t2/60000,t2%%=60000" && set t2=00000!t2!&& set t2=!t2:~-5!
if %h% leq 9 (set h=0%h%) && if %m% leq 9 (set m=0%m%)
set t2=%h%:%m%:%t2:~0,2%.%t2:~2,3%
ENDLOCAL
变量t2保存您的运行时间,您可以返回%t2%来显示它。
driblio的答案可以短一点(虽然可读性不高)
@echo off
:: Calculate the start timestamp
set _time=%time%
set /a _hours=100%_time:~0,2%%%100,_min=100%_time:~3,2%%%100,_sec=100%_time:~6,2%%%100,_cs=%_time:~9,2%
set /a _started=_hours*60*60*100+_min*60*100+_sec*100+_cs
:: yourCommandHere
:: Calculate the difference in cSeconds
set _time=%time%
set /a _hours=100%_time:~0,2%%%100,_min=100%_time:~3,2%%%100,_sec=100%_time:~6,2%%%100,_cs=%_time:~9,2%
set /a _duration=_hours*60*60*100+_min*60*100+_sec*100+_cs-_started
:: Populate variables for rendering (100+ needed for padding)
set /a _hours=_duration/60/60/100,_min=100+_duration/60/100%%60,_sec=100+(_duration/100%%60%%60),_cs=100+_duration%%100
echo Done at: %_time% took : %_hours%:%_min:~-2%:%_sec:~-2%.%_cs:~-2%
::prints something like:
::Done at: 12:37:53,70 took: 0:02:03.55
根据Luke Sampson的评论,这个版本是八进制安全的,尽管任务应该在24小时内完成。
“精益和平均”计时器与区域格式,24小时和混合输入支持 调整Aacini的替换方法体,没有IF,只有一个FOR(我的区域修复)
1:文件timer.bat放置在%PATH%或当前目录的某处
@echo off & rem :AveYo: compact timer function with Regional format, 24-hours and mixed input support
if not defined timer_set (if not "%~1"=="" (call set "timer_set=%~1") else set "timer_set=%TIME: =0%") & goto :eof
(if not "%~1"=="" (call set "timer_end=%~1") else set "timer_end=%TIME: =0%") & setlocal EnableDelayedExpansion
for /f "tokens=1-6 delims=0123456789" %%i in ("%timer_end%%timer_set%") do (set CE=%%i&set DE=%%k&set CS=%%l&set DS=%%n)
set "TE=!timer_end:%DE%=%%100)*100+1!" & set "TS=!timer_set:%DS%=%%100)*100+1!"
set/A "T=((((10!TE:%CE%=%%100)*60+1!%%100)-((((10!TS:%CS%=%%100)*60+1!%%100)" & set/A "T=!T:-=8640000-!"
set/A "cc=T%%100+100,T/=100,ss=T%%60+100,T/=60,mm=T%%60+100,hh=T/60+100"
set "value=!hh:~1!%CE%!mm:~1!%CE%!ss:~1!%DE%!cc:~1!" & if "%~2"=="" echo/!value!
endlocal & set "timer_end=%value%" & set "timer_set=" & goto :eof
用法: Timer & echo start_cmds & timeout /t 3 & echo end_cmds & Timer 计时器&计时器“23:23:23,00” 计时器“23:23:23,00”&计时器 计时器“13.23.23,00”&计时器“03:03:03.00” 定时器&定时器“0:00:00.00”no & CMD /v:on /c echo until midnight=!timer_end! 对于执行过程中不太可能但可能发生的时间格式更改,现在可以混合输入
2:函数:与批处理脚本绑定的定时器(示例用法如下):
@echo off
set "TIMER=call :timer" & rem short macro
echo.
echo EXAMPLE:
call :timer
timeout /t 3 >nul & rem Any process here..
call :timer
echo.
echo SHORT MACRO:
%TIMER% & timeout /t 1 & %TIMER%
echo.
echo TEST INPUT:
set "start=22:04:04.58"
set "end=04.22.44,22"
echo %start% ~ start & echo %end% ~ end
call :timer "%start%"
call :timer "%end%"
echo.
%TIMER% & %TIMER% "00:00:00.00" no
echo UNTIL MIDNIGHT: %timer_end%
echo.
pause
exit /b
::要测试它,复制粘贴上面和下面的代码段
rem :AveYo: compact timer function with Regional format, 24-hours and mixed input support
:timer Usage " call :timer [input - optional] [no - optional]" :i Result printed on second call, saved to timer_end
if not defined timer_set (if not "%~1"=="" (call set "timer_set=%~1") else set "timer_set=%TIME: =0%") & goto :eof
(if not "%~1"=="" (call set "timer_end=%~1") else set "timer_end=%TIME: =0%") & setlocal EnableDelayedExpansion
for /f "tokens=1-6 delims=0123456789" %%i in ("%timer_end%%timer_set%") do (set CE=%%i&set DE=%%k&set CS=%%l&set DS=%%n)
set "TE=!timer_end:%DE%=%%100)*100+1!" & set "TS=!timer_set:%DS%=%%100)*100+1!"
set/A "T=((((10!TE:%CE%=%%100)*60+1!%%100)-((((10!TS:%CS%=%%100)*60+1!%%100)" & set/A "T=!T:-=8640000-!"
set/A "cc=T%%100+100,T/=100,ss=T%%60+100,T/=60,mm=T%%60+100,hh=T/60+100"
set "value=!hh:~1!%CE%!mm:~1!%CE%!ss:~1!%DE%!cc:~1!" & if "%~2"=="" echo/!value!
endlocal & set "timer_end=%value%" & set "timer_set=" & goto :eof
CE,DE和CS,DS代表冒号结束,点结束和冒号集合,点集合-用于混合格式支持
推荐文章
- 我如何找到哪个程序正在使用端口80在Windows?
- 在Windows中有像GREP这样的模式匹配实用程序吗?
- 如何在Windows命令提示符下运行.sh ?
- 如何从命令行在windows中找到mysql数据目录
- 在没有事件源注册的情况下写入Windows应用程序事件日志
- Windows FINDSTR命令的未记录的特性和限制是什么?
- 如何解析unix时间戳到时间。时间
- 如何使用yyyyMMddHHmmss格式格式化当前时间?
- 无法在Windows上从/usr/local/ssl/openssl.cnf加载配置信息
- SQL Developer只返回日期,而不是时间。我怎么解决这个问题?
- 用Windows任务调度器运行批处理文件
- GIT克隆在windows中跨本地文件系统回购
- 前一个月的Python日期
- 如何运行一个PowerShell脚本而不显示窗口?
- PowerShell:仅为单个命令设置环境变量