Class: File

Inherits:
Object
  • Object
show all
Defined in:
lib/File/extname.rb,
lib/File/self.gsubX.rb,
lib/File/basename_without_extname.rb

Overview

Changes:

  1. /File.gsubX/File/self.gsubX/.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.gsub!(filename, replacement_pattern, replacement_text, selection_pattern = nil) ⇒ Object 



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# File 'lib/File/self.gsubX.rb', line 17

def self.gsub!(filename, replacement_pattern, replacement_text, selection_pattern = nil)
  replacement_pattern = (
    case replacement_pattern
    when String; Regexp.new(Regexp.escape(replacement_pattern))
    when Regexp; replacement_pattern
    else; raise
    end
  )
  selection_pattern = replacement_pattern unless selection_pattern
  selection_pattern = (
    case selection_pattern
    when String; Regexp.new(Regexp.escape(selection_pattern))
    when Regexp; selection_pattern
    else; raise
    end
  )
  file_handle = self.open(filename, 'r')
  tmp_file_handle = self.new(filename + '.tmp', 'w')
  modified = false
  file_handle.each do |line|
    if line =~ Regexp.new(selection_pattern)
      tmp_file_handle.print line.gsub(Regexp.new(replacement_pattern), replacement_text)
      modified = true
    else
      tmp_file_handle.print line
    end
  end
  file_handle.close
  tmp_file_handle.close
  if modified
    self.delete(filename)
    self.rename(filename + '.tmp', filename)
  else
    self.delete(filename + '.tmp')
  end
end

Instance Method Details

#basename_without_extname ⇒ Object 



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# File 'lib/File/basename_without_extname.rb', line 13

def basename_without_extname
  File.basename(path, extname)
end

#extname ⇒ Object 



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# File 'lib/File/extname.rb', line 14

def extname
  File.extname(path)
end