Windows的Snipping工具可以捕捉屏幕,但有时我想在五秒钟后捕捉屏幕,例如拍摄网络摄像头显示的图像。(例如,运行脚本并对着镜头微笑。)

如何在批处理文件中休眠5秒?


当前回答

如果你有选择或ping,这是可行的。

@echo off
echo.
if "%1"=="" goto askq
if "%1"=="/?" goto help
if /i "%1"=="/h" goto help
if %1 GTR 0 if %1 LEQ 9999 if /i "%2"=="/q" set ans1=%1& goto quiet
if %1 GTR 0 if %1 LEQ 9999 set ans1=%1& goto breakout
if %1 LEQ 0 echo %1 is not a valid number & goto help
if not "%1"=="" echo.&echo "%1" is a bad parameter & goto help
goto end

:help
echo SLEEP runs interactively (by itself) or with parameters (sleep # /q )
echo where # is in seconds, ranges from 1 - 9999
echo Use optional parameter /q to suppress standard output 
echo or type /h or /? for this help file
echo.
goto end

:askq
set /p ans1=How many seconds to sleep? ^<1-9999^> 
echo.
if "%ans1%"=="" goto askq
if %ans1% GTR 0 if %ans1% LEQ 9999 goto breakout
goto askq

:quiet
choice /n /t %ans1% /d n > nul
if errorlevel 1 ping 1.1.1.1 -n 1 -w %ans1%000 > nul
goto end

:breakout
choice /n /t %ans1% /d n > nul
if errorlevel 1 ping 1.1.1.1 -n 1 -w %ans1%000 > nul
echo Slept %ans1% second^(s^)
echo.

:end

只需将其命名为sleep.cmd或sleep.bat并运行它

其他回答

超时/t 1>nul

就像在1秒内暂停一样,你可以将时间延长到近100.000(99.999)秒。如果您连接到互联网,最好的解决方案是:

平1.1.1.1-n 1-w 1000>无

当你ping时,你的计数单位是毫秒,所以一秒钟就是1000毫秒。但是ping命令有点可疑,它在脱机机器上的工作方式不同。问题是,由于机器处于离线状态,它会感到困惑,它想ping一个网站/服务器/主机/ip,但它不能。所以我建议超时。祝你好运

在Windows xp sp3中,可以使用sleep命令

尝试Choice命令。自MSDOS 6.0以来,它就已经存在了,应该可以做到这一点。

使用/T参数指定超时(以秒为单位),使用/D参数指定默认选择并忽略所选选项。

如果用户在超时时间过去之前键入其中一个选择字符,可能会出现问题。部分解决方法是混淆情况——使用/N参数隐藏有效选项列表,并且在选项集中只有1个字符,这样用户在超时到期之前键入有效选项的可能性就更小了。

以下是Windows Vista上的帮助文本。我认为这在XP上是一样的,但看看XP计算机上的帮助文本来验证。

C:\>CHOICE /?

CHOICE [/C choices] [/N] [/CS] [/T timeout /D choice] [/M text]

Description:
    This tool allows users to select one item from a list
    of choices and returns the index of the selected choice.

Parameter List:
   /C    choices       Specifies the list of choices to be created.
                       Default list is "YN".

   /N                  Hides the list of choices in the prompt.
                       The message before the prompt is displayed
                       and the choices are still enabled.

   /CS                 Enables case-sensitive choices to be selected.
                       By default, the utility is case-insensitive.

   /T    timeout       The number of seconds to pause before a default
                       choice is made. Acceptable values are from 0 to
                       9999. If 0 is specified, there will be no pause
                       and the default choice is selected.

   /D    choice        Specifies the default choice after nnnn seconds.
                       Character must be in the set of choices specified
                       by /C option and must also specify nnnn with /T.

   /M    text          Specifies the message to be displayed before
                       the prompt. If not specified, the utility
                       displays only a prompt.

   /?                  Displays this help message.

   NOTE:
   The ERRORLEVEL environment variable is set to the index of the
   key that was selected from the set of choices. The first choice
   listed returns a value of 1, the second a value of 2, and so on.
   If the user presses a key that is not a valid choice, the tool
   sounds a warning beep. If tool detects an error condition,
   it returns an ERRORLEVEL value of 255. If the user presses
   CTRL+BREAK or CTRL+C, the tool returns an ERRORLEVEL value
   of 0. When you use ERRORLEVEL parameters in a batch program, list
   them in decreasing order.

Examples:
   CHOICE /?
   CHOICE /C YNC /M "Press Y for Yes, N for No or C for Cancel."
   CHOICE /T 10 /C ync /CS /D y
   CHOICE /C ab /M "Select a for option 1 and b for option 2."
   CHOICE /C ab /N /M "Select a for option 1 and b for option 2."

用户Aacini提出的代码的改进,它具有百分之一秒的分辨率,当时间达到23:59:59,99时不会失败:

for /f "tokens=1,2,3,4 delims=:," %%A in ("%TIME%") do set /a HH=%%A, MM=1%%B-100, SS=1%%C-100, CC=1%%D-100, TBASE=((HH*60+MM)*60+SS)*100+CC

:: Example delay 1 seg.
set /a TFIN=%TBASE%+100

:ESPERAR
for /f "tokens=1,2,3,4 delims=:," %%A in ("%TIME%") do set /a HH=%%A, MM=1%%B-100, SS=1%%C-100, CC=1%%D-100, TACTUAL=((HH*60+MM)*60+SS)*100+CC

if %TACTUAL% lss %TBASE% set /a TACTUAL=%TBASE%+%TACTUAL%
if %TACTUAL% lss %TFIN% goto ESPERAR

我试图在msbuild任务中执行此操作,但由于I/O重定向,选择和超时都不起作用。

我最终使用了sleep.exehttp://sourceforge.net/projects/unxutils,这很好,因为它不需要任何安装,而且很小。


尝试选择:

<Target Name="TestCmd">
  <Exec Command="choice /C YN /D Y /t 5 " />
</Target>

结果如下:

TestCmd:
  choice /C YN /D Y /t 5

EXEC : error : The file is either empty or does not contain the valid choices. [test.proj]
  [Y,N]?
C:\test.proj(5,9): error MSB3073: The command "choice /C YN /D Y /t 5 " exited with code 255.

尝试超时:

<Target Name="TestCmd">
  <Exec Command="timeout /t 5 " />
</Target>

结果如下:

TestCmd:
  timeout /t 5
EXEC : error : Input redirection is not supported, exiting the process immediately. [test.proj]
C:\test.proj(5,7): error MSB3073: The command "timeout /t 5 " exited with code 1.

旁白:

我实际上在使用<Exec Command=“sleep 2&dbghost.exe”/>,因为我正在并行执行dbghostexe多次,它基于当前的时间(以秒为单位)创建临时文件/数据库-这当然意味着如果启动多个实例,每个实例都使用相同的临时名称。我最初尝试使用MSBuild Extension Pack Thread.Sleep命令,但它似乎(通常)运行Sleep任务很好,但随后在所有线程中同时启动<exec>任务,当然dbghost.exe会因冲突而失败。到目前为止,使用sleep.exe似乎更可靠。