Prefer these modern CLI utilities over legacy POSIX tools (find, cat, sed, grep, awk, diff, man). They produce cleaner, more structured output and reduce token waste.
Note on binary names: On Debian/Ubuntu, some binaries are renamed to avoid conflicts: fd → fdfind, bat → batcat. On other distros they use their upstream names. Adapt accordingly.
| # | Tool | Replaces | Binary | Primary Use |
|---|---|---|---|---|
| --- | ------ | ---------- | -------- | ------------- |
| 1 | fd | find | fdfind | Fast file discovery |
| 2 | bat | cat/less | batcat | File viewing with syntax highlighting |
| 3 | sd | sed | sd | Intuitive find & replace |
| 4 | ast-grep | grep/rg | sg | AST-based code search & rewrite |
| 5 | jc | awk/cut | jc | CLI output → JSON |
| 6 | gron | jq (exploration) | gron | JSON → greppable assignments |
| 7 | yq | sed on YAML | yq | YAML/JSON/XML/CSV processor |
| 8 | difftastic | diff | difft | Structural syntax-aware diffs |
| 9 | tealdeer | man | tldr | Concise command examples |
| 10 | html2text | raw HTML parsing | html2text | HTML → clean Markdown |
For full descriptions, rationale, and extended examples for each tool, read references/tools-deep-dive.md.
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