Question

i have this simple script to show all files in a folder, it works in the console but gives a different result in Sinatra (with path and extension). Why is this so, and how can i best present these basenames (without path and extension) in a ul list as a link to open this file in the browser using Sinatra ?
The goal is to present a clickable list of pages to open if no filename is given. I allready have the routine to show the files.

console:

require 'find'

def get_files path
 dir_array = Array.new
 Find.find(path) do |f|
    dir_array << f if !File.directory?(f) # add only non-directories  
 end
 return dir_array
end  

for filename in get_files 'c:/sinatra_wiki/views'
  basename = File.basename(filename, ".*")
  puts basename
end

=> index
   index2

Sinatra:

require 'find'

def get_files path
 dir_array = Array.new
 Find.find(path) do |f|
    dir_array << f if !File.directory?(f) # add only non-directories  
 end
 return dir_array
end  

get '/' do
  for filename in get_files 'c:/sinatra_wiki/views'
    basename = File.basename(filename, ".*")
    puts basename
  end
end
=> c:/sinatra_wiki/views/index.htmlc:/sinatra_wiki/views/index2.erb

Answer 1

In your sinatra implementation, the result you see in the browser is not the one from the puts basename statement in the get block. It’s the return value of the get_files method. Try adding puts "<p>#{base name}</p>" instead of the puts basename in the get block and see for yourself.

Some changes:

The get_files method: Instead of sending the entire file path, send only the file name

dir_array << File.basename(f, ".*")

Add a view in case you need clarity:

get '/' do
   @arr = get_files(the_path)
   erb :index
end

elsewhere, in the app/views folder, in an index.erb file:

<h2>Page list</h2>

<ul> 
  <% @arr.each do |page| %>
    <li><a href="/<%=page%>"><%=page> %></a></li>
  <% end %>
</ul> 

This is to list out the file names in a similar way to that of the console output.

TL;DR: Put the looping part in the view!