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1RedOne/TestScript.ps1

Created December 2, 2015 15:46
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StackOverFlow - Multiple switch values inside a loop
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TestScript.ps1
#Make a few test files
290..296 | %{
"ham" > t:\"ham$($_)bacon.iso"}
#verify they were created
dir t:\*.iso
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a---- 12/2/2015 10:41 AM 12 ham290bacon.iso
-a---- 12/2/2015 10:41 AM 12 ham291bacon.iso
-a---- 12/2/2015 10:41 AM 12 ham292bacon.iso
-a---- 12/2/2015 10:41 AM 12 ham293bacon.iso
-a---- 12/2/2015 10:41 AM 12 ham294bacon.iso
-a---- 12/2/2015 10:41 AM 12 ham295bacon.iso
-a---- 12/2/2015 10:41 AM 12 ham296bacon.iso
#change our code. Now, instead of seeing if the name is in a list of names we don't want, we're using
#PowerShell's wildcard search tool ( -like ), to find files with 291 or 292 somewhere in their name
$pattern = '(\d{2,4})'
Dir t:\ *.iso | Where {$_.BaseName -match $pattern} | ForEach-Object{
if (($_.BaseName -like "*291*") -or ($_.BaseName -like "*292*")) {$null}
else{$_}
}
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a---- 12/2/2015 10:41 AM 12 ham290bacon.iso
-a---- 12/2/2015 10:41 AM 12 ham293bacon.iso
-a---- 12/2/2015 10:41 AM 12 ham294bacon.iso
-a---- 12/2/2015 10:41 AM 12 ham295bacon.iso
-a---- 12/2/2015 10:41 AM 12 ham296bacon.iso
#We see the offending files were removed
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