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script/runner can run files, pass on arguments, and be used as a sheb…

…ang. Closes #6286.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5189 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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jeremy committed Sep 26, 2006
1 parent 1caa763 commit 43c4d3002dd65753facea8f836e41c79a99a705c
Showing with 29 additions and 6 deletions.
  1. +5 −0 railties/CHANGELOG
  2. +24 −6 railties/lib/commands/runner.rb
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@@ -1,5 +1,10 @@
*SVN*
+* script/runner can run files, pass on arguments, and be used as a shebang. #6286 [Tuxie]
+ #!/usr/bin/env /path/to/my/app/script/runner
+ # Example: just start using your models as if you are in script/console
+ Product.find(:all).each { |product| product.check_inventory }
+
* Look for rake tasks in plugin subdirs. #6259 [obrie]
* Added map.connect ':controller/:action/:id.:format' as a default route to config/routes.rb [DHH]
@@ -2,9 +2,9 @@
options = { :environment => (ENV['RAILS_ENV'] || "development").dup }
-ARGV.options do |opts|
+ARGV.clone.options do |opts|
script_name = File.basename($0)
- opts.banner = "Usage: runner 'puts Person.find(1).name' [options]"
+ opts.banner = "Usage: #{$0} [options] ('Some.ruby(code)' or a filename)"
opts.separator ""
@@ -15,13 +15,31 @@
opts.separator ""
opts.on("-h", "--help",
- "Show this help message.") { puts opts; exit }
-
- opts.parse!
+ "Show this help message.") { $stderr.puts opts; exit }
+
+ if RUBY_PLATFORM !~ /mswin/
+ opts.separator ""
+ opts.separator "You can also use runner as a shebang line for your scripts like this:"
+ opts.separator "-------------------------------------------------------------"
+ opts.separator "#!/usr/bin/env #{File.expand_path($0)}"
+ opts.separator ""
+ opts.separator "Product.find(:all).each { |p| p.price *= 2 ; p.save! }"
+ opts.separator "-------------------------------------------------------------"
+ end
+
+ opts.parse! rescue retry
end
ENV["RAILS_ENV"] = options[:environment]
RAILS_ENV.replace(options[:environment]) if defined?(RAILS_ENV)
require RAILS_ROOT + '/config/environment'
-ARGV.empty? ? puts("Usage: runner 'code' [options]") : eval(ARGV.first)
+
+if ARGV.empty?
+ $stderr.puts "Run '#{$0} -h' for help."
+ exit 1
+elsif File.exists?(ARGV.first)
+ eval(File.read(ARGV.shift))
+else
+ eval(ARGV.first)
+end

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