find.rb: add ignore_error

* lib/find.rb (Find#find): add "ignore_error" keyword argument
  defaulted to true.  [ruby-core:51025] [Feature #7596]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45241 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/find.rb b/lib/find.rb
index 6f3e4282ed..c5fd35b1d7 100644
--- a/lib/find.rb
+++ b/lib/find.rb
@@ -34,7 +34,7 @@ module Find
   #
   # See the +Find+ module documentation for an example.
   #
-  def find(*paths) # :yield: path
+  def find(*paths, ignore_error: true) # :yield: path
     block_given? or return enum_for(__method__, *paths)
 
     fs_encoding = Encoding.find("filesystem")
@@ -48,12 +48,14 @@ module Find
           begin
             s = File.lstat(file)
           rescue Errno::ENOENT, Errno::EACCES, Errno::ENOTDIR, Errno::ELOOP, Errno::ENAMETOOLONG
+            raise unless ignore_error
             next
           end
           if s.directory? then
             begin
               fs = Dir.entries(file, encoding: enc)
             rescue Errno::ENOENT, Errno::EACCES, Errno::ENOTDIR, Errno::ELOOP, Errno::ENAMETOOLONG
+              raise unless ignore_error
               next
             end
             fs.sort!