diff --git a/src/Microsoft.PowerShell.Commands.Management/commands/management/GetContentCommand.cs b/src/Microsoft.PowerShell.Commands.Management/commands/management/GetContentCommand.cs index 4e83eda905..a9d8772a5f 100644 --- a/src/Microsoft.PowerShell.Commands.Management/commands/management/GetContentCommand.cs +++ b/src/Microsoft.PowerShell.Commands.Management/commands/management/GetContentCommand.cs @@ -87,7 +87,7 @@ namespace Microsoft.PowerShell.Commands return; } - if (TotalCount == 0 || Tail == 0) + if (TotalCount == 0) { // Don't read anything return; @@ -118,7 +118,7 @@ namespace Microsoft.PowerShell.Commands // as reading forwards. So we read forwards in this case. // If Tail is positive, we seek the right position. Or, if the seek failed // because of an unsupported encoding, we scan forward to get the tail content. - if (Tail > 0) + if (Tail >= 0) { bool seekSuccess = false; diff --git a/test/powershell/Modules/Microsoft.PowerShell.Management/Get-Content.Tests.ps1 b/test/powershell/Modules/Microsoft.PowerShell.Management/Get-Content.Tests.ps1 index 5e8e258b85..02b6f79fbc 100644 --- a/test/powershell/Modules/Microsoft.PowerShell.Management/Get-Content.Tests.ps1 +++ b/test/powershell/Modules/Microsoft.PowerShell.Management/Get-Content.Tests.ps1 @@ -283,6 +283,16 @@ Describe "Get-Content" -Tags "CI" { Get-Content -Path $testPath -Tail 0 | Should -BeNullOrEmpty } + It "Should wait for content when using -Tail 0 and -Wait" { + $testValues = @(1,2,3) + $Job = Start-Job -ScriptBlock {Get-Content -Path $using:testPath -Tail 0 -Wait} + Start-Sleep -Seconds 3 + Add-Content -Value $testValues -Path $testPath + Start-Sleep -Seconds 3 + Compare-Object -ReferenceObject $testValues -DifferenceObject ($Job | Receive-Job) | Should -BeNullOrEmpty + $Job | Remove-Job -Force + } + It "Should throw TailAndHeadCannotCoexist when both -Tail and -TotalCount are used" { { Get-Content -Path $testPath -Tail 1 -TotalCount 1 -ErrorAction Stop