Add bin and edit workflow

bin/gems/facets-3.1.0/lib/standard/facets/fileutils/which.rb

@@ -0,0 +1,60 @@
+require 'fileutils'
+
+module FileUtils
+
+  if const_defined?(:Win32Exts)
+    Win32Exts.concat %w{.exe .com .bat .cmd}
+    Win32Exts.uniq!
+  else
+    Win32Exts = %w{.exe .com .bat .cmd}
+  end
+
+  module_function
+
+  # Looks for the first occurrence of _program_ within _path_.
+  #
+  # On the MS Windows platform, it looks for executables ending with .exe,
+  # .bat and .com, which you may optionally include in the program name.
+  # Returns <tt>nil</tt> if not found.
+  #
+  # CREDIT: Daniel J. Berger, Michael Granger
+  #
+  #--
+  # The which() method was adopted from Daniel J. Berger, via PTools
+  # which in in turn was adopted fromt the FileWhich code posted by
+  # Michael Granger on http://www.rubygarden.org.
+  #++
+  def which(prog, path=ENV['PATH'])
+    path.split(File::PATH_SEPARATOR).each {|dir|
+      # Windows checks against specific extensions
+      if File::ALT_SEPARATOR
+        ext = Win32Exts.find{|ext|
+          if prog.include?('.') # Assume extension already included
+            f = File.join(dir,prog)
+          else
+            f = File.join(dir,prog+ext)
+          end
+          File.executable?(f) && !File.directory?(f)
+        }
+        if ext
+          # Use backslashes, not forward slashes
+          if prog.include?('.') # Assume extension already included
+            f = File.join( dir, prog ).gsub(/\//,'\\')
+          else
+            f = File.join( dir, prog + ext ).gsub(/\//,'\\')
+          end
+          return f
+        end
+      else
+        f = File.join(dir,prog)
+        # Avoid /usr/lib/ruby, for example
+        if File.executable?(f) && !File.directory?(f)
+          return File::join( dir, prog )
+        end
+      end
+    }
+    nil
+  end
+
+end
+