snippetbashTip

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

Submitted by: @import:tldr-pages·Mar 2, 2026·

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commandbetweentwoclicsv-diffdifferencescsvview

Problem

How to use the csv-diff command: View differences between two CSV, TSV, or JSON files. More information: <https://github.com/simonw/csv-diff>.

Solution

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

Code Snippets

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

Context

tldr-pages: common/csv-diff

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