Simon Willison’s Weblog

Items tagged csv in 2019

Filters: Year: 2019 × csv ×


Dockerfile for creating a Datasette of NHS dentist information (via) Really neat Dockerfile example by Alf Eaton that uses multi-stage builds to pull dentist information from the NHS, compile to SQLite using csvs-to-sqlite and serve the results with Datasette. TIL the NHS like to use ¬ as their CSV separator! # 26th April 2019, 2:09 pm

tsv-utils (via) Powerful collection of CLI tools for processing TSV files, written in D for performance and released by eBay. Includes a csv2tsv conversion tool. You can download an archive of pre-built binaries for Linux and OS X from their releases page: worked fine on my Mac. # 7th April 2019, 8:29 pm

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

VisiData (via) Intriguing tool by Saul Pwanson: VisiData is a command-line “textpunk utility” for browsing and manipulating tabular data. “pip3 install visidata” and then “vd myfile.csv” (or .json or .xls or SQLite orothers) and get an interactive terminal UI for quickly searching through the data, conducting frequency analysis of columns, manipulating it and much more besides. Two tips for if you start playing with it: hit “gq” to exit, and hit “Ctrl+H” to view the help screen. # 18th March 2019, 3:45 am

Generating a commit log for San Francisco’s official list of trees

San Francisco has a neat open data portal (as do an increasingly large number of cities these days). For a few years my favourite file on there has been Street Tree List, a list of all 190,000 trees in the city maintained by the Department of Public Works.

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