Apr 07, 2020 / yuml
Generating UML diagrams with curl and yUML

A lot of yUML users want to generate diagrams programatically. The best way to do this is by POSTing your DSL text to yUML. This overcomes the problem of too much text in your URL. Here's an example with curl:

curl -X POST -d "dsl_text=[Curl]->[Example]-.-[Nice{bg:wheat}]" https://yuml.me/diagram/scruffy/class/ 

This returns the filename with svg extension - e3c59524.svg

You can then download with whatever extension you like (svg, png, pdf, jpg, json) like this:

curl https://yuml.me/e3c59524.png --output test.png

And you'll get a diagram that looks like this:

A few tips

Enjoy!


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