starlake-ai/parquet2csv
.agents/skills/parquet2csv/SKILL.md
Convert Parquet files to CSV format
$ install --global
skillsauthnpx skillsauth add starlake-ai/starlake-skills parquet2csvInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
- name:
- parquet2csv
- description:
- Convert Parquet files to CSV format
Parquet to CSV Skill
Converts Parquet files to CSV format. Useful for exporting data to systems that don't support Parquet, or for human-readable data inspection.
Usage
starlake parquet2csv [options]
Options
--input_dir <value>: Full path to the input directory containing Parquet files (required)--output_dir <value>: Full path to the output directory for CSV files (default: same asinput_dir)--domain <value>: Domain name to convert (filter by domain)--schema <value>: Schema/table name to convert (filter by table)--delete_source: Delete source Parquet files after successful conversion--write_mode <value>: Write mode:OVERWRITE,APPEND,ERROR_IF_EXISTS--partitions <value>: Number of output CSV file partitions--options k1=v1,k2=v2: Spark CSV writer options:sep/delimiter: Field separator (default:,)quote: Quote characterquoteAll: Quote all fieldsescape: Escape characterheader: Include header row (default:true)dateFormat: Date format patterntimestampFormat: Timestamp format pattern
--reportFormat <value>: Report output format:console,json, orhtml
Examples
Convert All Parquet Files
starlake parquet2csv --input_dir /data/parquet --output_dir /data/csv
Convert Specific Domain
starlake parquet2csv --input_dir /data/parquet --output_dir /data/csv --domain starbake
Convert Specific Table
starlake parquet2csv --input_dir /data/parquet --output_dir /data/csv --domain starbake --schema orders
Convert with Custom Separator
starlake parquet2csv --input_dir /data/parquet --output_dir /data/csv --options sep=;,header=true
Convert and Delete Source
starlake parquet2csv --input_dir /data/parquet --output_dir /data/csv --delete_source
Convert with Single Output Partition
starlake parquet2csv --input_dir /data/parquet --output_dir /data/csv --partitions 1
Related Skills
- load - Load data (produces Parquet output)
- extract-data - Extract data from databases
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