remove empty lines from text file with PowerShell

Question

I know that I can use:

gc c:\\FileWithEmptyLines.txt | where {$_ -ne \"\"} > c:\\FileWithNoEmptyLines.txt

to remove empty lines. But How

Answer 1

You can use -match instead -eq if you also want to exclude files that only contain whitespace characters:

@(gc c:\FileWithEmptyLines.txt) -match '\S'  | out-file c:\FileWithNoEmptyLines