Tidy up top-level script

bin/sqlint

@@ -5,8 +5,6 @@ require 'pg_query'
 require 'sqlint'
 require 'optparse'
 
-LIMIT = 1000
-
 options = { limit: 1000 }
 optparse = OptionParser.new do |opts|
   opts.banner = "Usage: #{File.basename($0)} [options] file.sql ..."
@@ -40,11 +38,7 @@ class String
   end
 end
 
-saw_errors = false
-ARGV.each do |filename|
-  File.open(filename, 'r') do |file|
-    results = SQLint::Linter.new(filename, file).run.first(options[:limit])
-    results.each do |lint|
+def display_lint(lint)
   message_lines = lint.message.split("\n")
   puts [
     lint.filename,
@@ -55,9 +49,16 @@ ARGV.each do |filename|
   message_lines.each do |line|
     puts "  " + line.sanitise
   end
+end
 
-      saw_errors ||= (lint.type == :error)
+saw_errors = false
+ARGV.each do |filename|
+  File.open(filename, 'r') do |file|
+    results = SQLint::Linter.new(filename, file).run.first(options[:limit])
+    results.each do |lint|
+      display_lint(lint)
     end
+    saw_errors ||= results.any? { |lint| lint.type == :error }
   end
 end