tldr/pages/common/csv-diff.md

csv-diff

View differences between two CSV, TSV or JSON files. More information: https://github.com/simonw/csv-diff.

• Display a human-readable summary of differences between files using a specific column as a unique identifier:

csv-diff {{path/to/file1.csv}} {{path/to/file2.csv}} --key={{column_name}}

• Display a human-readable summary of differences between files that includes unchanged values in rows with at least one change:

csv-diff {{path/to/file1.csv}} {{path/to/file2.csv}} --key={{column_name}} --show-unchanged

• Display a summary of differences between files in JSON format using a specific column as a unique identifier:

csv-diff {{path/to/file1.csv}} {{path/to/file2.csv}} --key={{column_name}} --json