Sample code for 30+ languages & platforms
Ruby

Example: Http.HttpFile method

Shows how to use the HttpFile method to send an HTTP POST request with the contents of a file as the request body. The example sends the following request:
POST /api/v1/sites/123/deploys HTTP/1.1
Host: example.com
Accept: */*
Accept-Encoding: gzip
Content-Type: application/zip
Content-Length: 123456

[binary data bytes of data.zip]

Also see: Chilkat Http Default and Auto-Filled Headers

Chilkat Ruby Downloads

Ruby
require 'chilkat'

success = false

http = Chilkat::CkHttp.new()

localFilePath = "C:/example/zips/data.zip"
url = "https://example.com/api/v1/sites/123/deploys"

# Send a POST with the contents of the file in the binary HTTP request body.
resp = Chilkat::CkHttpResponse.new()
success = http.HttpFile("POST",url,localFilePath,"application/zip",resp)
if (success == false)
    print http.lastErrorText() + "\n";
    exit
end

print "Response Status Code: " + resp.get_StatusCode().to_s() + "\n";
print "Response body:" + "\n";
print resp.bodyStr() + "\n";