Handling POSTDATA in Sinatra?

The problem is that your :data param is nil One way you could fix this is to remove the reference to :data Try this instead require "rubygems" require "sinatra" post '/eval' do "I got #{params:command}. " end you can test this with curl on your command line (if you are using a unix based system) curl localhost:4567/eval -F "command=hello In the future, It will be helpful to others if you provide a stacktrace of your error with your question.

The problem is that your :data param is nil. One way you could fix this is to remove the reference to :data. Try this instead.

Require "rubygems" require "sinatra" post '/eval' do "I got #{params:command}. " end you can test this with curl on your command line (if you are using a unix based system). Curl localhost:4567/eval -F "command=hello" In the future, It will be helpful to others if you provide a stacktrace of your error with your question.

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