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Old 05-03-2018, 10:35 AM   #2
kovidgoyal
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Posts: 45,435
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Join Date: Oct 2006
Location: Mumbai, India
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If you are on linux/macOS simply copy paste the <spine> section of the OPF into a file. Then run

sort -r < spine_file > reversed_spine_file

Then copy/paste the reversed entries from reversed_spine_file into the OPF.
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