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andrewle/rename.rb

Created January 13, 2010 23:52
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rename.rb
# Rename a bunch of pngs to add leading 0's
#!/usr/bin/env ruby
`ls -1 *.png`.each_line do |l|
`mv #{l.strip} #{l.strip.sub(/_(\d5)(\.|_)/, '_0\1\2')}` if l.match(/_\d5(\.|_)/)
end
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