In PowerShell I'm reading in a text file. I'm then doing a Foreach-Object over the text file and am only interested in the lines that do NOT contain strings that are in $arrayOfStringsNotInterestedIn.
What is the syntax for this?
Get-Content $filename | Foreach-Object {$_}
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If $arrayofStringsNotInterestedIn is an [array] you should use -notcontains:
Get-Content $FileName | foreach-object { `
if ($arrayofStringsNotInterestedIn -notcontains $_) { $) }
or better (IMO)
Get-Content $FileName | where { $arrayofStringsNotInterestedIn -notcontains $_}
You can use the -notmatch operator to get the lines that don't have the characters you are interested in.
Get-Content $FileName | foreach-object {
if ($_ -notmatch $arrayofStringsNotInterestedIn) { $) }
To exclude the lines that contain any of the strings in $arrayOfStringsNotInterestedIn, you should use:
(Get-Content $FileName) -notmatch [String]::Join('|',$arrayofStringsNotInterestedIn)
The code proposed by Chris only works if $arrayofStringsNotInterestedIn contains the full lines you want to exclude.
You can use the -notmatch operator to get the lines that don't have the characters you are interested in.
Get-Content $FileName | foreach-object {
if ($_ -notmatch $arrayofStringsNotInterestedIn) { $) }
To exclude the lines that contain any of the strings in $arrayOfStringsNotInterestedIn, you should use:
(Get-Content $FileName) -notmatch [String]::Join('|',$arrayofStringsNotInterestedIn)
The code proposed by Chris only works if $arrayofStringsNotInterestedIn contains the full lines you want to exclude.
Source: Stackoverflow.com