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csv-url-parser

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Parse URLs in CSV files and extract query parameters as new columns. Use when working with CSV files containing URLs that need parameter extraction and analysis.

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CSV URL Parser

This skill extracts query parameters from URLs in CSV files and adds them as new columns.

Instructions

  1. Identify CSV files: Look for CSV files in the current directory or specified path
  2. Analyze URL column: Find the column containing URLs (looks for 'url' or 'URL' headers)
  3. Extract parameters: Parse all query parameters from URLs
  4. Create new columns: Add parameter names as new column headers
  5. Process data: Fill new columns with parameter values (multiple values joined with '|')
  6. Save results: Update the CSV file with new columns

Implementation

The skill uses Ruby to process CSV files. Run the processing script:

ruby scripts/process_csv.rb [file1.csv file2.csv ...]

If no files are specified, it processes all CSV files in the current directory.

The script will:

  • Read CSV files with headers
  • Extract query parameters from URLs using URI parsing
  • Handle multiple values for the same parameter (joined with '|')
  • Preserve original data while adding new parameter columns
  • Handle malformed URLs gracefully

For detailed examples, see EXAMPLES.md.

Usage Examples

Process all CSV files in current directory:

Parse URLs in my CSV files

Process specific CSV file:

Extract URL parameters from data.csv

Analyze URL parameters:

Show me what parameters are in the URLs from this CSV

Requirements

  • Ruby with standard libraries (CSV, URI, CGI)
  • CSV files must have headers
  • URL column should be named 'url' or 'URL'

Output

  • Original CSV file updated with new parameter columns
  • Multiple parameter values separated by '|'
  • Preserves all original data
  • Handles empty/missing parameters gracefully