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"Natural sorting" for image files (closes #18)
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@@ -274,7 +274,9 @@ def genEpubStruct(path):
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copyfile(os.path.join(filelist[-1][0], filelist[-1][1]), cover)
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buildNCX(path, options.title, chapterlist)
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# ensure we're sorting files alphabetically
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filelist = sorted(filelist, key=lambda name: (name[0].lower(), name[1].lower()))
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convert = lambda text: int(text) if text.isdigit() else text
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alphanum_key = lambda key: [convert(c) for c in re.split('([0-9]+)', key)]
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filelist.sort(key=lambda name: (alphanum_key(name[0].lower()), alphanum_key(name[1].lower())))
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buildOPF(options.profile, path, options.title, filelist, cover, options.righttoleft)
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