@FINDSTR - How to find an element containing . (dot) when . (dot) is wildcharacter

Question

I'm checking a LogFile containing FileName(s) and want to Include/Exclude files according to FileType.
How to use @FINDSTR  to find an element containing . (dot) when . (dot) is wildcharacter...???

Answer 1

PowerShell ${"%MainDir%\%FullPath%\%FullFileName%"} = Get-Content ${"%MainDir%\%FullPath%\%ListFileName%"}
|Select-String '\.mp3|\.mp4|\.m4a|\.flac|\.cue|\.ogg|\.ape|\.wav|\.wv'
That wont work. Two things wrong
First thing
Get-Content expects a filename  like Get-Content c:\music.txt  
or  Get-Content
"%MainDir%\%FullPath%\%ListFileName%"  
Get-Content ${c:\music.txt} will try to get the filename in the file c:\music.txt and not use c:\music.txt
itself.
Second Thing
${"%MainDir%\%FullPath%\%FullFileName%"} = is wrong, don't use the " inside the { }, the { } act as a
quotes
for example ${C:\My Documents\Music.txt} = is ok, that will work, this is a variable
PowerShell ${"%MainDir%\%FullPath%\%FullFileName%"} = Get-Content ${"%MainDir%\%FullPath%\%ListFileName%"}
|Select-String '\.mp3|\.mp4|\.m4a|\.flac|\.cue|\.ogg|\.ape|\.wav|\.wv'
Should be 
PowerShell ${%MainDir%\%FullPath%\%FullFileName%} = Get-Content "%MainDir%\%FullPath%\%ListFileName%"
|Select-String '\.mp3|\.mp4|\.m4a|\.flac|\.cue|\.ogg|\.ape|\.wav|\.wv'