Method: Methadone::CLI#add_to_file

Defined in:
lib/methadone/cli.rb

#add_to_file(file, lines, options = {}) ⇒ Object

Add content to a file

file

path to the file

lines

Array of String representing the lines to add

options

Hash of options:

:before

A regexp that will appear right after the new content. i.e. this is where to insert said content.



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# File 'lib/methadone/cli.rb', line 37

def add_to_file(file,lines,options = {})
  new_lines = []
  found_line = false
  File.open(file).readlines.each do |line|
    line.chomp!
    if options[:before] && options[:before] === line
      found_line = true
      new_lines += lines
    end
    new_lines << line
  end

  raise "No line matched #{options[:before]}" if options[:before] && !found_line

  new_lines += lines unless options[:before]
  File.open(file,'w') do |fp|
    new_lines.each { |line| fp.puts line }
  end
end