I haven’t seen that one before and it looks pretty good. Interesting that it doesn’t mention sed or awk (edit: I'm wrong, it does mention sed & awk), let alone Perl. I would say that Perl’s so powerful for one liners and Unix text pipelines, I’d consider it required in a text processing reference.
Oh, you're right, thanks! I doubt it changed, much more likely it was my mistake. ;) It was either operator error, or maybe the menu didn't display correctly while I was browsing using my iPad.
Another one I like, and I think it’s mainly because of the philosophy contained in the title is “Ad hoc data analysis from the Unix command line” https://en.m.wikibooks.org/wiki/Ad_Hoc_Data_Analysis_From_Th...