28 lines
426 B
Ruby
Executable File
28 lines
426 B
Ruby
Executable File
#!/usr/bin/env ruby
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filename = ARGV.last
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unless filename
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warn "Please supply a filename"
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exit 1
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end
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content = File.read(filename)
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refs = content.scan(/\[\d+\]:/)
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unless refs == refs.uniq
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warn "Error: duplicate refs detected"
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exit
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end
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links = content.scan(/\[\d+\]/).uniq
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links.zip(1..).each do |old_id, new_id|
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content.gsub! old_id, "[$$#{new_id}]"
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end
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content.gsub!("$$", "")
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File.write(filename, content)
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