Xah Talk Show 2022-01-12 why unix grep sucks, history of regex, WolframLang StringExpression

• Emacs: Xah Fly Keys
• Ergonomic Keyboard Layouts
• Ergonomic Keyboard Reviews
• what is the point of writing a find script when there is already unix grep and PowerShell?
• Problems of grep in Emacs
• Installing Cygwin Tutorial
• Cygwin Essential Install List
• patchutils , emacs vc-diff
• exiftool -all= -overwrite_original *jpg
• Command to View/Delete Metadata in Image Files
• C escape syntax "\n\t", height\=\"[0\-9]\+\" \/\>'
• base64 as solution to escape string.
• Cygwin Path and Windows Path Conversion
• Unix tools on Windows: Cygwin vs VirtualBox
• Microsoft Windows Ternimal • Animal Emoji 🐰 • cat ./unicode_animals.html
• Linux Shell Util uniq Unicode Bug
• grep • egrep • fgrep • ack • silver, ripgrep
• History of regex.
• regex cannot search nested text.
• Formal language. Proper name for regular expression in its original meaning should be systematic scheme to represent linear languages.
• parsing expression grammar
• WolframLang StringExpression
• Keyboard History ⌨
• unix line truncation problem. 80 characters. from punch cards.
• dir -Recurse -file -Include "*html" | Select-String "haskell"
• https://www.youtube.com/watch?v=Z5nxxc9rL6c

xah_talk_show_2022-01-12.txt