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This repository was archived by the owner on Feb 4, 2019. It is now read-only.
/PashPublic archive

Commit30cf305

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Clear-Variable - Implement Include and Exclude parameters.
The Include and Exclude parameters are used to filter the variablesthat will be cleared.
1 parente873035 commit30cf305

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2 files changed

+56
-6
lines changed

2 files changed

+56
-6
lines changed

‎Source/Microsoft.PowerShell.Commands.Utility/ClearVariableCommand.cs

Lines changed: 17 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -12,13 +12,21 @@ namespace Microsoft.PowerShell.Commands
1212
publicsealedclassClearVariableCommand:VariableCommandBase
1313
{
1414
[Parameter]
15-
publicstring[]Exclude{get;set;}
15+
publicstring[]Exclude
16+
{
17+
get{returnExcludeFilters;}
18+
set{ExcludeFilters=value;}
19+
}
1620

1721
[Parameter]
1822
publicSwitchParameterForce{get;set;}
1923

2024
[Parameter]
21-
publicstring[]Include{get;set;}
25+
publicstring[]Include
26+
{
27+
get{returnIncludeFilters;}
28+
set{IncludeFilters=value;}
29+
}
2230

2331
[Parameter(Position=0,ValueFromPipelineByPropertyName=true,Mandatory=true)]
2432
publicstring[]Name{get;set;}
@@ -31,9 +39,6 @@ public sealed class ClearVariableCommand : VariableCommandBase
3139

3240
publicClearVariableCommand()
3341
{
34-
// MUST: take these out into the base
35-
Include=newstring[0];
36-
Exclude=newstring[0];
3742
}
3843

3944
protectedoverridevoidProcessRecord()
@@ -43,7 +48,7 @@ protected override void ProcessRecord()
4348
foreach(stringnameinName)
4449
{
4550
foreach(PSVariablevariableinGetVariables(name)
46-
.Where(v=>v.Visibility==SessionStateEntryVisibility.Public))
51+
.Where(v=>!IsExcluded(v)))
4752
{
4853
try
4954
{
@@ -82,6 +87,12 @@ IEnumerable<PSVariable> GetVariables(string name)
8287
}
8388
}
8489

90+
privateboolIsExcluded(PSVariablevariable)
91+
{
92+
returnvariable.Visibility!=SessionStateEntryVisibility.Public||
93+
IsExcluded(variable.Name);
94+
}
95+
8596
privatevoidCheckVariableCanBeChanged(PSVariablevariable)
8697
{
8798
if((variable.ItemOptions.HasFlag(ScopedItemOptions.ReadOnly)&&!Force)||

‎Source/ReferenceTests/Commands/ClearVariableTests.cs

Lines changed: 39 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -303,5 +303,44 @@ public void WildcardEscapedToClearVariableWithWildcardInName()
303303

304304
Assert.AreEqual("True"+Environment.NewLine,result);
305305
}
306+
307+
[Test]
308+
publicvoidIncludeNamesByWildcard()
309+
{
310+
stringresult=ReferenceHost.Execute(newstring[]{
311+
"$aa = 'aa'",
312+
"$ba = 'ba'",
313+
"Clear-Variable aa,ba -include b*",
314+
"$aa +\",\" + ($ba -eq $null).ToString()"
315+
});
316+
317+
Assert.AreEqual("aa, True"+Environment.NewLine,result);
318+
}
319+
320+
[Test]
321+
publicvoidExcludeNamesByWildcard()
322+
{
323+
stringresult=ReferenceHost.Execute(newstring[]{
324+
"$aa = 'aa'",
325+
"$ba = 'ba'",
326+
"Clear-Variable aa,ba -exclude b*",
327+
"($aa -eq $null).ToString() +\",\" + $ba"
328+
});
329+
330+
Assert.AreEqual("True, ba"+Environment.NewLine,result);
331+
}
332+
333+
[Test]
334+
publicvoidWildcardAndExcludeOneVariableName()
335+
{
336+
stringresult=ReferenceHost.Execute(newstring[]{
337+
"$aa = 'aa'",
338+
"$ab = 'ab'",
339+
"Clear-Variable a* -exclude aa",
340+
"$aa +\",\" + ($ab -eq $null).ToString()"
341+
});
342+
343+
Assert.AreEqual("aa, True"+Environment.NewLine,result);
344+
}
306345
}
307346
}

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