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haileys/cext.rb

Created July 24, 2010 10:12
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cext.rb
#!/usr/bin/env ruby
# Changes file extension, e.g:
# $ cext some/file/deeply/nested/file.png .jpg
# $ ls some/file/deeply/nested
# file.jpg
nametokens = ARGV.first.split '.'
newext = ARGV[1].split '.'
File.rename ARGV.first, (nametokens[-newext.length, newext.length] + newext).join '.'
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