Shell Scripting

Reference pages for shell scripting and text processing: one page per tool or technique, built around recipes rather than tutorials.

• Text Processing Recipes: the survey page; start here
• grep and ripgrep: search modes, output shaping, exit codes
• sed: substitution, addressing, ranges, one-liners
• awk: fields, arrays, aggregation, mawk vs gawk
• jq: filters, reshaping, JSON recipes
• find and xargs: predicates, batching, parallelism
• Regular Expressions: BRE vs ERE vs PCRE vs Rust: which flavor each tool uses

• Bash Recipes: skeletons, args, conditionals, arrays, heredocs
• curl: requests, auth, timing, debugging
• Python for Scripting: venv, pip, stdlib recipes
• Other Languages: Ruby, Node, Lua, Perl: which to reach for

• Automation: cron vs systemd timers, inotify watchers, at, user services
• GUI Scripting: notify-send, zenity, yad dialogs from shell scripts
• Conky: desktop widgets, Lua config, Cairo rings

• CLI Tools
• Shell Configuration
• Return to terminal
• Return to wiki home