Last active
August 29, 2015 14:04
-
-
Save midwire/91d9465cf18519af39a6 to your computer and use it in GitHub Desktop.
bulk_file_rename
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/usr/bin/env ruby | |
# A Ruby bulk file renaming script | |
require 'fileutils' | |
require 'pry' | |
require 'colored' | |
require 'trollop' | |
class BulkFileRename | |
include FileUtils | |
attr_accessor :file_count, :renamed_count, :would_count, :options, :elapsed | |
def self.run(*args) | |
start_time = Time.now | |
opts = Trollop::options do | |
opt(:directories, 'A colon-separated list of directories to search', type: :string, short: 'd', required: true) | |
opt(:file_pattern, 'A globular expression filename search pattern', type: :string, short: 'f', required: true) | |
opt(:replace_pattern, "A SED-type replace pattern: 's/search/replace/'", type: :string, short: 'p', required: true) | |
opt(:alt_output, 'Alternative output', short: 'a') | |
opt(:recursive, 'Recursively search directories', short: 'r') | |
opt(:color, 'Print colored output', default: true, short: 'c') | |
opt(:test_run, 'Test (Dry) run: Only report what would be renamed', short: 't') | |
end | |
unless opts[:replace_pattern] && opts[:replace_pattern].match(/s\/[^\/]+\/[^\/]*\//) | |
Trollop::die("Use a SED-like expression for --replace-pattern='s/search/replace/'") | |
end | |
unless ARGV.empty? | |
opts[:directories] = ARGV.first.split(':') | |
end | |
opts[:directories] = [opts[:directories]] unless opts[:directories].respond_to?(:each) | |
instance = BulkFileRename.new(opts) | |
instance.process | |
instance.elapsed = Time.now - start_time | |
instance.report_summary | |
end | |
def initialize(opts) | |
self.file_count = 0 | |
self.renamed_count = 0 | |
self.would_count = 0 | |
self.options = opts | |
end | |
def color(string, clr) | |
if self.options[:color] | |
string.send(clr) | |
else | |
string | |
end | |
end | |
def report_summary | |
puts | |
puts(color(">>> Processed #{file_count.to_i} files in [#{elapsed}] seconds", :red)) | |
puts(color(">>> Renamed #{renamed_count.to_i} files", :red)) | |
if self.options[:test_run] | |
puts(color(">>> Would have renamed #{would_count.to_i} files", :red)) | |
end | |
end | |
def report_move(source, destination) | |
if self.options[:alt_output] | |
puts(%Q{"#{color(source, :green)}","#{color(destination, :yellow)}"}) | |
else | |
verb = self.options[:test_run] ? 'Would rename' : 'Renaming' | |
puts(%Q{#{verb} "#{color(source, :green)}" to "#{color(destination, :yellow)}"}) | |
end | |
end | |
def rename_file(current, regex, replace, global) | |
if !!global | |
current.gsub(regex, replace) | |
else | |
current.sub(regex, replace) | |
end | |
end | |
def process(directories = self.options[:directories]) | |
x, search, replace, global = self.options[:replace_pattern].split(/\//) | |
directories.each do |directory| | |
cd(directory) | |
Dir.glob(self.options[:file_pattern]).each do |current_title| | |
if self.options[:recursive] && File.directory?(current_title) | |
process([current_title]) | |
break | |
end | |
self.file_count += 1 | |
searchx = Regexp.new(search) | |
new_name = rename_file(current_title, searchx, replace, global) | |
self.would_count += 1 unless new_name == current_title | |
report_move(current_title, new_name) | |
unless self.options[:test_run] | |
binding.pry | |
mv(current_title, new_name) | |
self.renamed_count += 1 | |
end | |
end | |
end | |
end | |
end | |
BulkFileRename.run(ARGV) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment