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[英]How can I run a command 'x' number of times, in batch file or PowerShell script?
[英]how to run a command x number of times inside a while loop - powershell
所以在这里我有我的代码的一部分,我试图弄清楚如何在 while 循环中运行命令 x 次并结束脚本。
$timer = New-TimeSpan -Minutes 120
$sw = [diagnostics.stopwatch]::StartNew()
while ($sw.elapsed -lt $timer) {
$ReleaseStatus = Invoke-RestMethod -Uri "https://vsrm.dev.azure.com/company/Project/_apis/release/releases/$RId/environments/$EId/?`api-version=6.0" -Method GET -Headers $Header -Verbose
start-sleep -seconds 10
#if release is successful return message and end script.
if ($ReleaseStatus.Status -eq 'Succeeded') {
write-host "Release Succeeded"
return
}
#if the release fails run the command x number of times.
if ($ReleaseStatus.status -eq 'Rejected') {
Write-Host "Release failed, Re-running release for you"
#input command here to run release x number of times and then end whole script.
}
}
我尝试了各种方法,但无济于事,有人知道我该怎么做吗?
使用变量来记录重试次数:
$timer = New-TimeSpan -Minutes 120
# configure number of attempts - this will run up to 5 times (initial attempt + 4 retries)
$retries = 5
$sw = [diagnostics.stopwatch]::StartNew()
while ($sw.elapsed -lt $timer -and $retries -gt 0) {
$ReleaseStatus = Invoke-RestMethod -Uri "https://vsrm.dev.azure.com/company/Project/_apis/release/releases/$RId/environments/$EId/?`api-version=6.0" -Method GET -Headers $Header -Verbose
start-sleep -seconds 10
#if release is successful return message and end script.
if ($ReleaseStatus.Status -eq 'Succeeded') {
write-host "Release Succeeded"
return
}
# release didn't succeed, decrement retry counter
$retries--
if($retries -ge 1){
Write-Host "Release failed, Re-running release for you"
}
else {
Write-Host "Release failed, but no more retries for you"
}
}
现在while()
条件仅在 1) 我们还没有超时并且 2) 我们还有重试剩余的情况下才会继续 - 如果不再满足任一条件,它将停止
好的,这就是我是怎么做的。 请阅读哈希注释。
#Check the status of release every y seconds
$timer = New-TimeSpan -Minutes 120
#set the value of I to 0 outside of the while loop.
$i = 0
$sw = [diagnostics.stopwatch]::StartNew()
while ($sw.elapsed -lt $timer) {
$ReleaseStatus = Invoke-RestMethod -Uri "https://vsrm.dev.azure.com/$Organisation/$Project/_apis/release/releases/$RId/environments/$EId/?`api-version=6.0" -Method GET -Headers $Header -Verbose
start-sleep -seconds 10
if ($ReleaseStatus.Status -eq 'Succeeded') {
write-host "Release Succeeded"
return
}
if ($ReleaseStatus.status -eq 'Rejected') {
Write-Host "Release failed, Re-running release for you"
$Uri = "https://vsrm.dev.azure.com/$Organisation/$Project/_apis/Release/releases/$RId/environments/$EId/?api-version=6.0-preview.6"
#we've put the value of retries into a variable to be parametrised. If I is greater than number of retries then return(cancel operation)
if ($i -gt $NumberOfRetryAttempts) {
return
}
Invoke-RestMethod -uri $uri -Method PATCH -Headers $Header -Body $body2
#you put the I variable inside the while loop and you increment by 1 each time the condition comes back false.
$i++
}
}
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