Rails print ruby string in haml code

Question

Hey I am fairly new to web programming, so please excuse my ignorance. I have the following code in a .html.haml view file.

%video{:controls => "controls", :height => "240", :width => "320"}
  %source{:src => @video_resource.file_path, :type => "video/mp4"}/
  %source{:src => @video_resource.file_path, :type => "video/webm"}/
  %source{:src => @video_resource.file_path, :type => "video/ogg"}/
  %object{:data => "flashmediaelement.swf", :height => "240", :type => "application/x-shockwave-flash", :width => "320"}
    %param{:name => "movie", :value => "flashmediaelement.swf"}/
    %param{:name => "flashvars", :value => "controls=true&file=movie.url"}/
  = t('html5_video_error')

How do I get @video_resource.file_path into the flashvars object param file variable (currently it is set to movie.url). I may be misunderstanding the way this works.

:value => "controls=true&file=#{@video_resource.file_path}" should do it — MrYoshiji
– MrYoshiji, Commented Sep 5, 2013 at 20:42

MrYoshiji · Accepted Answer · 2013-09-05 20:59:09Z

3

What you need here is basic string interpolation, the ruby on rails syntax is the following:

# haml code:
%span= "I am a #{ 'interpolated' } string"
# will render:
<span>I am a interpolated string</span>

In your case:

%param{:name => "flashvars", :value => "controls=true&file=#{@video_resource.file_path}"}
                                                           ^^                         ^

answered Sep 5, 2013 at 20:59

MrYoshiji

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1 Comment

Swapnil Chincholkar Over a year ago

That's what I was looking for. I wanted to print string characters with "END\n" in my input as a placeholder so doing it as placeholder: "eg. #{'END\n'}"}

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