[RUBY] One way to redirect_to with parameters in rails

There seem to be various cool ways https://blog.kozakana.net/2015/10/redirect_to-with-parameter/

However, this time in my situation (because there was only one parameter)

redirect_url = ENV["HOST"] + "/hoge?h=" +hash value
redirect_to redirect_url

It was enough to generate it as a string. For your reference, if you are worried about something similar.

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