cURL, the omnipresent data tool, is getting a 25th birthday party this month

Two men curling in blurry motion photo
Enlarge / Curling, like the cURL project, requires precision and is underappreciated.

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When you first start messing with the command line, it can feel like there’s an impermeable wall between the local space you’re messing around in and the greater Internet. On your side, you’ve got your commands and files, and beyond the wall, there are servers, images, APIs, webpages, and more bits of useful, ever-changing data. One of the most popular ways through that wall has been cURL, or “client URL,” which turns 25 this month.

The cURL tool started as a way for programmer Daniel Stenberg to let Internet Chat Relay users quickly fetch currency exchange rates while still inside their chat window. As detailed in an archived history of the project, it was originally built off an existing command-line tool, httpget, built by Rafael Sagula. A 1.0 version was released in 1997, then changed names to urlget by 2.0, as it had added in GOPHER, FTP, and other protocols. By 1998, the tool could upload as well as download, and so version 4.0 was named cURL.

17:00 UTC time on March 20. Double-check that time in your area: “It is within this weird period between [when] the US has switched to daylight saving time while Europe has not yet switched,” Stenberg writes on his blog. Stenberg plans to sip on a 25-year Bowmore Islay single-malt Scotch, while presenting the project’s history and future plans while taking questions. (A link to the Zoom call will be added to Stenberg’s blog post closer to March 20.)

Given its nearly universal compatibility and availability, cURL remains a vital tool for grabbing webpage contents, prodding APIs, testing site availability and response time, and much more. It has been moving data around since Tom Holland was born; it certainly deserves a little party.

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