Add bin and edit workflow

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

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+require 'fileutils'
+
+module FileUtils
+
+  module_function
+
+  # With no arguments, returns a four element array consisting of the number
+  # of bytes, characters, words and lines in _filename_, respectively.
+  #
+  # Valid options are +bytes+, +characters+ (or just 'chars'),
+  # +words+ and +lines+:
+  #
+  #   # Return the number of words in 'myfile'
+  #   FileUtils.wc("myfile",'words')
+  #
+  # CREDIT: Daniel J. Berger
+  def wc(filename,option='all')
+    option.downcase!
+    valid = %w/all bytes characters chars lines words/
+
+    unless valid.include?(option)
+        raise "Invalid option: '#{option}'"
+    end
+
+    n = 0
+    if option == 'lines'
+        IO.foreach(filename){ n += 1 }
+        return n
+    elsif option == 'bytes'
+        File.open(filename){ |f|
+          f.each_byte{ n += 1 }
+        }
+        return n
+    elsif option == 'characters' || option == 'chars'
+        File.open(filename){ |f|
+          while f.getc
+              n += 1
+          end
+        }
+        return n
+    elsif option == 'words'
+        IO.foreach(filename){ |line|
+          n += line.split.length
+        }
+        return n
+    else
+        bytes,chars,lines,words = 0,0,0,0
+        IO.foreach(filename){ |line|
+          lines += 1
+          words += line.split.length
+          chars += line.split('').length
+        }
+        File.open(filename){ |f|
+          while f.getc
+              bytes += 1
+          end
+        }
+        return [bytes,chars,words,lines]
+    end
+  end
+
+end
+