Added support for single column csv with spaced header (#305)

nice catch!

Author: felipekb

lib/smarter_csv/auto_detection.rb

@@ -32,7 +32,7 @@ def guess_column_separator(filehandle, options)
 
       if candidates.values.max == 0
         # if the header only contains
-        return ',' if line.chomp(options[:row_sep]) =~ /^\w+$/
+        return ',' if line.chomp(options[:row_sep]) =~ /^[\w\s]+$/
 
         raise SmarterCSV::NoColSepDetected
       end

spec/features/general/simple_spec.rb

@@ -14,6 +14,14 @@
     end
   end
 
+  context 'when simple unix file with header with space' do
+    let(:file) { "#{fixture_path}/simple_with_header_with_space.csv" }
+
+    it 'loads the csv file without issues' do
+      expect(data.size).to eq 4 # should not raise
+    end
+  end
+
   context 'when simple windows file with header' do
     let(:file) { "#{fixture_path}/simple_with_header_windows.csv" }
 

spec/fixtures/simple_with_header_with_space.csv

@@ -0,0 +1,5 @@
+user id
+1
+2
+3
+4