csv

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CSV data processing — view, filter, convert, merge tabular data. Zero barrier — use with x-cmd, Python, or awk. Use for "csv", "data", "table", "spreadsheet", "conversion".

QUICK START

How to use this skill

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Source SKILL.md: https://github.com/x-cmd/x-cmd/blob/HEAD/mod/skill0/lib/skill0/skills/csv/SKILL.md

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csv — skill0

Process CSV data: view, filter, convert, merge. Works with any tabular data source.

Quick Start

# With x-cmd
x csv tab 1,3,6 < data.csv           # Show specific columns
x csv awk '{print $1, $3}' < data.csv # Process with AWK
x csv tojson < data.csv               # Convert to JSON
x csv merge2 id file2.csv < file1.csv # Merge by key

# Without x-cmd — use Python
python3 -c "
import csv, json, sys
reader = csv.DictReader(sys.stdin)
for row in reader:
    print(row['name'], row['value'])
" < data.csv

# Or use Miller (mlr), xsv, csvkit

What's Available

Command	Description
`x csv tab <cols>`	Display selected columns
`x csv awk '{...}'`	AWK-style processing
`x csv tojson`	Convert to JSON
`x csv tojsonl`	Convert to JSON Lines
`x csv totsv`	Convert to TSV
`x csv merge2`	Merge two CSVs by key
`x csv header`	Operate on headers
`x csv app`	Interactive table viewer

Standalone Alternatives

Python: csv module, pandas
CLI: mlr (Miller), xsv, csvcut, csvgrep
AWK: awk -F, '{print $1}'

This skill0 grows

Starting with the essentials. Will add:

Common CSV patterns
Python/awk recipes
Data cleaning tips