How can I make this PowerShell script parse large files faster?

Question

I have the following PowerShell script that will parse some very large file for ETL purposes. For starters my test file is ~ 30 MB. Larger files around 200 MB are

Answer 1

This is almost a non-answer...I love PowerShell...but I will not use it to parse log files, especially large log files. Use Microsoft's Log Parser.

C:\>type input.txt | logparser "select substr(field1,1) from STDIN" -i:TSV -nskiplines:14 -headerrow:off -iseparator:spaces -o:tsv -headers:off -stats:off