Add csv peek

[CindyLiao1106]

No description provided.

[CindyLiao1106]

Thanks for maintaining this list — it's the reference I check whenever I need a CSV tool.

I've added csv-peek to the Tools section, placed right after QSV (keeping the command-line tools together).

What it is: a single-file, zero-dependency Python script that profiles a CSV/TSV from the terminal — the first question of any CSV task ("what is actually in this file?") answered in one command instead of five notebook cells:

$ csv-peek data.csv
columns   : 5
data rows : 12043
  #  name        text   null  0.0%  uniq 4201
  1  age         int    null 20.0%  uniq 3      min 29 · med 34 · max 41
  3  total_spend float  null 20.0%  uniq 3      min 12 · med 1062.25 · max 1234.5
  4  signup_date date   null  0.0%  uniq 4      2024-01-05×2 | 2024-02-11×1

⚠️  possible duplicate rows: 1

• Per-column type inference (int/float/date/text), null %, unique count, min/median/max or top values
• Flags duplicate rows with an example
• Auto-detects , ; tab | delimiters; handles quoted fields with commas, BOM/UTF-8 issues, stdin, and large files via row sampling
• Python 3.8+ standard library only — nothing to install, which is why I reach for it instead of spinning up pandas
• MIT licensed · 7 unit tests (python3 -m unittest discover -s tests)

Repo: https://github.com/CindyLiao1106/csv-peek

I also added the matching row to awesomecsv.csv so the data file stays in sync — happy to adjust the wording, position, or the CSV format if you'd prefer it differently.