ole-tange/tangetools — pull request #1 by RhysU (2013-10-25 14:42:51+00:00)
Title: Suggest awk-based transpose filter

I noticed you've got transpose-simple in this directory. I've often used the suggested file as a transpose filter. With some IRS awk magic, you could get this to work on CSVs as well. I've never checked the memory usage though.