Functions/Test-Service.ps1
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# Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. function Test-CService { <# .SYNOPSIS Tests if a service exists, without writing anything out to the error stream. .DESCRIPTION `Get-Service` writes an error when a service doesn't exist. This function tests if a service exists without writing anyting to the output stream. .OUTPUTS System.Boolean. .LINK Carbon_Service .LINK Install-CService .LINK Uninstall-CService .EXAMPLE Test-CService -Name 'Drive' Returns `true` if the `Drive` service exists. `False` otherwise. #> [CmdletBinding()] param( [Parameter(Mandatory=$true)] [string] # The name of the service to test. $Name ) Set-StrictMode -Version 'Latest' Use-CallerPreference -Cmdlet $PSCmdlet -Session $ExecutionContext.SessionState $service = Get-Service -Name $Name -ErrorAction Ignore if( $service ) { return $true } else { return $false } } |