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Check if variable is empty, if its empty then restart localhost
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)
Data science time! April 2019 and salary with experience
Should we burninate the [wrap] tag?
The Ask Question Wizard is Live!Setting Windows PowerShell path variableChecks about WinRM service in remote machineHow can I check if a string is null or empty in PowerShell?PowerShell issue when using string variable from web.config in concatenationPowershell script to restart serviceRename-Computer works fine unless I try to use $credentialsForeach loop output DateTime object plus other details.PowerShell Restart services if SQL statement returns valueWindows Task for restart if user not logged inIs there a way to warn remote computer of pending restart AND have my script wait for the restart to complete?
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Its a fairly basic thing I'm trying to do. I have two SQL queries that populate the variables below. I want the queries to run until they are empty then reboot the localhost.
Do
database Query that populates two variables. If both variables are empty then reboot the local host.
until($jobquery -and $testQuery)
restart-computer -computername "localhost" -force
powershell
asked Mar 8 at 17:40
user770022user770022
1,182133757
add a comment |
Its a fairly basic thing I'm trying to do. I have two SQL queries that populate the variables below. I want the queries to run until they are empty then reboot the localhost.
Do
database Query that populates two variables. If both variables are empty then reboot the local host.
until($jobquery -and $testQuery)
restart-computer -computername "localhost" -force
powershell
asked Mar 8 at 17:40
user770022user770022
1,182133757
1
until (!$jobquery -and !$testQuery)oruntil ([string]::IsNullOrEmpty($jobquery) -and [string]::IsNullOrEmpty($testQuery))
– LotPings
Mar 8 at 17:50
add a comment |
Its a fairly basic thing I'm trying to do. I have two SQL queries that populate the variables below. I want the queries to run until they are empty then reboot the localhost.
Do
database Query that populates two variables. If both variables are empty then reboot the local host.
until($jobquery -and $testQuery)
restart-computer -computername "localhost" -force
powershell
asked Mar 8 at 17:40
user770022user770022
1,182133757
Its a fairly basic thing I'm trying to do. I have two SQL queries that populate the variables below. I want the queries to run until they are empty then reboot the localhost.
Do
database Query that populates two variables. If both variables are empty then reboot the local host.
until($jobquery -and $testQuery)
restart-computer -computername "localhost" -force
powershell
powershell
asked Mar 8 at 17:40
user770022user770022
1,182133757
asked Mar 8 at 17:40
user770022user770022
1,182133757
asked Mar 8 at 17:40
user770022user770022
1,182133757
asked Mar 8 at 17:40
user770022user770022
1,182133757
asked Mar 8 at 17:40
user770022user770022
1,182133757
1,182133757
1
until (!$jobquery -and !$testQuery)oruntil ([string]::IsNullOrEmpty($jobquery) -and [string]::IsNullOrEmpty($testQuery))
– LotPings
Mar 8 at 17:50
add a comment |
1
until (!$jobquery -and !$testQuery)oruntil ([string]::IsNullOrEmpty($jobquery) -and [string]::IsNullOrEmpty($testQuery))
– LotPings
Mar 8 at 17:50
1
1
until (!$jobquery -and !$testQuery) or until ([string]::IsNullOrEmpty($jobquery) -and [string]::IsNullOrEmpty($testQuery))– LotPings
Mar 8 at 17:50
until (!$jobquery -and !$testQuery) or until ([string]::IsNullOrEmpty($jobquery) -and [string]::IsNullOrEmpty($testQuery))– LotPings
Mar 8 at 17:50
add a comment |
1 Answer
1
active
oldest
votes
Do you mean:
until(!$jobquery -and !$testQuery)
Or maybe a good suggestion would be to add try catch error handling so it will look something like this:
Do
try
database Query that populates two variables. If both variables are empty then reboot the local host.
catch
if(!$jobquery)
Write-Host "Unable to do query because jobquery is empty. Error: $($_.Exception.Message)" -ForegroundColor Red
elseif(!$testQuery)
Write-Host "Unable to do query because testquery is empty. Error: $($_.Exception.Message)" -ForegroundColor Red
else
Write-Host "Unable to do query because the following error: $($_.Exception.Message)" -ForegroundColor Red
until(!$jobquery -and !$testQuery)
restart-computer -computername "localhost" -force
Hope this helps!
answered Mar 8 at 17:52
Bernard MoeskopsBernard Moeskops
42738
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Do you mean:
until(!$jobquery -and !$testQuery)
Or maybe a good suggestion would be to add try catch error handling so it will look something like this:
Do
try
database Query that populates two variables. If both variables are empty then reboot the local host.
catch
if(!$jobquery)
Write-Host "Unable to do query because jobquery is empty. Error: $($_.Exception.Message)" -ForegroundColor Red
elseif(!$testQuery)
Write-Host "Unable to do query because testquery is empty. Error: $($_.Exception.Message)" -ForegroundColor Red
else
Write-Host "Unable to do query because the following error: $($_.Exception.Message)" -ForegroundColor Red
until(!$jobquery -and !$testQuery)
restart-computer -computername "localhost" -force
Hope this helps!
answered Mar 8 at 17:52
Bernard MoeskopsBernard Moeskops
42738
add a comment |
Do you mean:
until(!$jobquery -and !$testQuery)
Or maybe a good suggestion would be to add try catch error handling so it will look something like this:
Do
try
database Query that populates two variables. If both variables are empty then reboot the local host.
catch
if(!$jobquery)
Write-Host "Unable to do query because jobquery is empty. Error: $($_.Exception.Message)" -ForegroundColor Red
elseif(!$testQuery)
Write-Host "Unable to do query because testquery is empty. Error: $($_.Exception.Message)" -ForegroundColor Red
else
Write-Host "Unable to do query because the following error: $($_.Exception.Message)" -ForegroundColor Red
until(!$jobquery -and !$testQuery)
restart-computer -computername "localhost" -force
Hope this helps!
answered Mar 8 at 17:52
Bernard MoeskopsBernard Moeskops
42738
add a comment |
Do you mean:
until(!$jobquery -and !$testQuery)
Or maybe a good suggestion would be to add try catch error handling so it will look something like this:
Do
try
database Query that populates two variables. If both variables are empty then reboot the local host.
catch
if(!$jobquery)
Write-Host "Unable to do query because jobquery is empty. Error: $($_.Exception.Message)" -ForegroundColor Red
elseif(!$testQuery)
Write-Host "Unable to do query because testquery is empty. Error: $($_.Exception.Message)" -ForegroundColor Red
else
Write-Host "Unable to do query because the following error: $($_.Exception.Message)" -ForegroundColor Red
until(!$jobquery -and !$testQuery)
restart-computer -computername "localhost" -force
Hope this helps!
answered Mar 8 at 17:52
Bernard MoeskopsBernard Moeskops
42738
Do you mean:
until(!$jobquery -and !$testQuery)
Or maybe a good suggestion would be to add try catch error handling so it will look something like this:
Do
try
database Query that populates two variables. If both variables are empty then reboot the local host.
catch
if(!$jobquery)
Write-Host "Unable to do query because jobquery is empty. Error: $($_.Exception.Message)" -ForegroundColor Red
elseif(!$testQuery)
Write-Host "Unable to do query because testquery is empty. Error: $($_.Exception.Message)" -ForegroundColor Red
else
Write-Host "Unable to do query because the following error: $($_.Exception.Message)" -ForegroundColor Red
until(!$jobquery -and !$testQuery)
restart-computer -computername "localhost" -force
Hope this helps!
answered Mar 8 at 17:52
Bernard MoeskopsBernard Moeskops
42738
answered Mar 8 at 17:52
Bernard MoeskopsBernard Moeskops
42738
answered Mar 8 at 17:52
Bernard MoeskopsBernard Moeskops
42738
answered Mar 8 at 17:52
Bernard MoeskopsBernard Moeskops
42738
42738
add a comment |
add a comment |
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until (!$jobquery -and !$testQuery)oruntil ([string]::IsNullOrEmpty($jobquery) -and [string]::IsNullOrEmpty($testQuery))– LotPings
Mar 8 at 17:50