Ruby Batch Rename Script

Dmitry Nedospasov — Thu, 19 Feb 2009 23:26:03 +0000

So I’ve recently gotten into scripting in ruby and with a couple of scripts you really can save yourself a lot of tedious work in the future. Here’s one i wrote that does a batch rename of all files in a given folder and its subfolders. You can do either of the following:

Enter 3 parameters:

input directory
search string
replacement string

Or just enter 2 parameters in which case the search string will be removed from all files:

input directory
search string

Remember, to enter the parameters in that order, [].



#!/usr/bin/ruby

# Dmitry Nedospasov

# Batch Rename

# 2 parameters: batchrename.rb  

#  will be completely removed from all occurances

# 3 parameters: batrename.rb   

# all occurances of  will be replaced with



require 'ftools'

def parseargs(arguments, stdin)

# puts arguments

dir = arguments[0]

oldExt = arguments[1]

newExt = arguments[2]

puts dir

puts oldExt

puts newExt

if oldExt == nil or dir == nil

puts 'Please enter atleast the first 2 parameters: '

puts '   []'

else

convertFromTo(dir,oldExt,newExt)

end

end

def convertFromTo(dir, oldExt, newExt)

files = Dir.entries(dir)

files.each do |f|

next if f == '.' or f == '..'

fullPath = dir + '/' + f

# fullPath = fullPath.gsub(' ','\ ')

if File.directory?(fullPath)

puts 'Found directory: ' + fullPath

convertFromTo(fullPath, oldExt, newExt)

else

if newExt == nil

newName = fullPath.gsub(oldExt,'')

else

newName = fullPath.gsub(oldExt,newExt)

end

if fullPath != newName

puts fullPath + ' -> ' + newName

File.rename(fullPath,newName)

end

end

end

end

parseargs(ARGV, STDIN)

and what you should get is something like this



russo@guevara:~/Desktop$ ./batchrename.rb . stpuid stupid

.

stpuid

stupid

Found directory: ./stupidtypo

./stupidtypo/stpuidtypo1.txt -> ./stupidtypo/stupidtypo1.txt

./stupidtypo/stpuidtypo10.txt -> ./stupidtypo/stupidtypo10.txt

./stupidtypo/stpuidtypo2.txt -> ./stupidtypo/stupidtypo2.txt

./stupidtypo/stpuidtypo3.txt -> ./stupidtypo/stupidtypo3.txt

./stupidtypo/stpuidtypo4.txt -> ./stupidtypo/stupidtypo4.txt

./stupidtypo/stpuidtypo5.txt -> ./stupidtypo/stupidtypo5.txt

./stupidtypo/stpuidtypo6.txt -> ./stupidtypo/stupidtypo6.txt

./stupidtypo/stpuidtypo7.txt -> ./stupidtypo/stupidtypo7.txt

./stupidtypo/stpuidtypo8.txt -> ./stupidtypo/stupidtypo8.txt

./stupidtypo/stpuidtypo9.txt -> ./stupidtypo/stupidtypo9.txt

Enjoy!!! and here’s the file for download

nedos.net » nerd

Ruby Batch Rename Script