Simon Willison’s Weblog

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5 items tagged “diff”

2019

csv-diff 0.3.1 (via) I released a minor update to my csv-diff CLI tool today which does a better job of displaying a human-readable representation of rows that have been added or removed from a file—previously they were represented as an ugly JSON dump. My script monitoring changes to the official list of trees in San Francisco has been running for a month now and has captured 23 commits!

# 7th April 2019, 8:03 pm / csv, diff, projects

2009

TOSBack | The Terms-Of-Service Tracker. Fantastic idea (and implementation) from the EFF—a site that currently tracks 44 website policy documents and highlights changes to them using a diff engine (from Drupal). A global RSS feed is available—it would be useful if individual feeds for different sites and organisations were also provided.

# 7th June 2009, 10:49 am / diff, drupal, eff, privacy, tosback

Neil Fraser: Differential Synchronization. Paper describing a robust method for “keeping two or more copies of the same document synchronized with each other in real-time”, over a variable network connection using clever diff algorithms.

# 24th January 2009, 11:57 pm / algorithms, diff, neal-fraser, paper

2007

google-diff-match-patch (via) Robust algorithms to perform the operations required for synchronizing plain text, in Java, JavaScript and Python.

# 9th June 2007, 6:15 pm / diff, google, java, javascript, neilfraser, open-source, python

Feedwhip. Create an RSS feed or e-mail alert for changes made to any Web page.

# 27th May 2007, 8:43 pm / diff, feedwhip, rss