January 2019
Intermediate to advanced
520 pages
14h 32m
English
Content preview from Hands-On Microservices with Rust
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curl
The most commonly used tool to perform HTTP requests is curl. It's a command-line tool with a boatload of parameters. Some of the most useful ones are as follows:
- --request <METHOD> (or -X) sets the HTTP method to use
- --header "Header: Value" (or -H) sets an extra header to the request
- --data <data> (of -d) sets a body to a request, and uses @filename as a data value to attach the contents of a file
- --form "field=value" (or -F) sets a field of a form
- --cookie <file> (or -b) sets a file with cookies to send
- --cookie-jar <file> (or -c) sets a file with cookies to store
For example, if you want to send a request with a JSON file, use the following command:
curl -X POST -H "Content-Type: application/json" -d @file.json http://localhost:8080/upload ...
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