By name: qsv description: Use this skill when the user wants to process, analyze, filter, join, or transform CSV data from the command line with high performance.
qsv Plugin
A fast CSV command line toolkit for slicing, dicing, analyzing, splitting, joining, indexing, and enriching CSV data. Supports JSON output and pipeline operations.
Commands
qsv self version— Print qsv versionqsv _ _— Passthrough to qsv CLI
Usage Examples
- "Analyze this CSV file"
- "Filter CSV rows by condition"
- "Join two CSV files on a column"
- "Convert CSV to JSON output"
Installation
cargo install qsv
Or via Homebrew:
brew install qsv
Examples
# Analyze CSV structure
qsv stats data.csv
# Filter rows
qsv search -s name "John" data.csv
# Select columns
qsv select name,age,email data.csv
# Output as JSON
qsv json data.csv
# Join two CSV files
qsv join id left.csv id right.csv
# Sort and deduplicate
qsv sort -s name data.csv | qsv dedup
Key Features
- Fast CSV processing — Written in Rust for maximum performance
- JSON output — Convert CSV to JSON for pipeline integration
- Rich command set — 40+ subcommands for data manipulation
- Pipeline-ready — Works with standard Unix pipes
- Data validation — Schema validation and quality checks
- Index creation — Create indexes for faster queries
- Excel support — Read/write XLSX files