[Rails] Iterating through an Instance Variable in my View

I have an instance variable called @ls which is an array that contains a
list of files in a directory.

When I call this instance variable in my view like this:

<%= @ls %>

It shows the entire list of files in the array.

Since I need to edit what is displayed for each file name in the array,
I want to iterate through it in my view.

When I put this code in my view:
<% @ls.each do |a| %>
a.puts
<% end %>

... it only prints out the letter "a" as many times as the size of the
array.

Can anyone help me out with correcting this issue?

thanks

jackster
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