[英]Creating Scheduled Task using PowerShell
我正在研究腳本,該腳本將在第二天執行,然后每隔1,2和3天運行一次。 這是我的腳本:
#The script below will run as the specified user (you will be prompted for credentials)
#PATH C:\backup\scripts\ will need to be replaced and created in preferred location where the respective backup scripts will be stored
$jobname0 = "Full Backup"
$jobname1 = "Incremental Backup1"
$jobname2 = "Incremental Backup2"
# Change these script location to whatever you want
$script0 = "C:\backup\scripts\full.bat"
$script1 = "C:\backup\scripts\inc1.cmd"
$script2 = "C:\backup\scripts\inc2.ps1"
$repeat = (New-TimeSpan -Hours 72 )
# and is set to be elevated to use the highest privileges.
# The task will run every 72hrs (3days) specified in $repeat.
$action0 = New-ScheduledTaskAction –Execute "$pshome\powershell.exe" -Argument "$script0; quit"
$action1 = New-ScheduledTaskAction –Execute "$pshome\powershell.exe" -Argument "$script1; quit"
$action2 = New-ScheduledTaskAction –Execute "$pshome\powershell.exe" -Argument "$script2; quit"
$duration = (New-TimeSpan -Days (365 * 20))
$trigger0 = New-ScheduledTaskTrigger -Once -At 00:00AM -RepetitionInterval $repeat -RepetitionDuration $duration
$trigger1 = New-ScheduledTaskTrigger -Once -At 00:01AM -RepetitionInterval $repeat -RepetitionDuration $duration
$trigger2 = New-ScheduledTaskTrigger -Once -At (00:01AM).AddTime(48:00) -RepetitionInterval $repeat -RepetitionDuration $duration
$msg = "Enter the username and password that will run the task";
$credential = $Host.UI.PromptForCredential("Task username and password",$msg,"$env:userdomain\$env:username",$env:userdomain)
$username = $credential.UserName
$password = $credential.GetNetworkCredential().Password
$settings = New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -StartWhenAvailable -RunOnlyIfNetworkAvailable -DontStopOnIdleEnd
Register-ScheduledTask -TaskName $jobname0 -Action $action0 -Trigger $trigger0 -RunLevel Highest -User $username -Password $password -Settings $settings
Register-ScheduledTask -TaskName $jobname1 -Action $action1 -Trigger $trigger1 -RunLevel Highest -User $username -Password $password -Settings $settings
Register-ScheduledTask -TaskName $jobname2 -Action $action2 -Trigger $trigger2 -RunLevel Highest -User $username -Password $password -Settings $settings
如何在觸發器中增加天數而不是時間。 感謝您的幫助。
只需將$repeat = (New-TimeSpan -Hours 72 )
替換$repeat = (New-TimeSpan -Days 3)
,即可添加天數而不是
時間
Hours。
考慮使用Splatting代替大量變量。 使用變量的優點是可重用性 。 當您定義$jobname0
僅將其用作參數時,它幾乎沒有優勢。
您的代碼可能如下所示
$credential = $Host.UI.PromptForCredential(
"Task username and password",
"Enter the username and password that will run the task",
"$env:userdomain\$env:username",
$env:userdomain
)
$repeat = (New-TimeSpan -Hours 72 )
$duration = (New-TimeSpan -Days (365 * 20))
$settings = New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -StartWhenAvailable -RunOnlyIfNetworkAvailable -DontStopOnIdleEnd
$job0 = @{
"TaskName" = "Full Backup";
"Action" = New-ScheduledTaskAction –Execute "$pshome\powershell.exe" -Argument "C:\backup\scripts\full.bat;quit";
"Trigger" = New-ScheduledTaskTrigger -Once -At 00:00AM -RepetitionInterval $repeat -RepetitionDuration $duration;
"RunLevel" = "Highest";
"User" = $credential.UserName;
"Password" = $credential.GetNetworkCredential().Password;
"Settings" = $settings;
}
$job1 = @{
"TaskName" = "2nd one";
"Action" = New-ScheduledTaskAction –Execute "$pshome\powershell.exe" -Argument "C:\2ndScript;quit";
"Trigger" = New-ScheduledTaskTrigger -Once -At 10:00AM -RepetitionInterval $repeat -RepetitionDuration $duration;
"RunLevel" = "Highest";
"User" = $credential.UserName;
"Password" = $credential.GetNetworkCredential().Password;
"Settings" = $settings;
}
#[...]
Register-ScheduledTask $job0
Register-ScheduledTask $job1
#[...]
使用該技術,可以創建和重用模板。 這樣可以避免重復樣板。
$template = @{
"TaskName" = "";
#[...]
"Settings" = $settings;
}
$job0 = $template.psobject.Copy()
$job1 = $template.psobject.Copy()
$job0.Action = New-ScheduledTaskAction –Execute "$pshome\powershell.exe" -Argument "MyFirstJob";
$job0.TaskName = "1stOne"
$job1.Action = New-ScheduledTaskAction –Execute "$pshome\powershell.exe" -Argument "2ndJob";
$job1.Trigger = New-ScheduledTaskTrigger -Once -At 00:00AM -RepetitionInterval $repeat -RepetitionDuration $duration;
#[...] and so on
Register-ScheduledTask @job0
Register-ScheduledTask @job1
#[...]
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