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@lennyRBLX
Created August 15, 2022 15:42
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Merges Tachiyomi CBZ chapters. Requires Lua 5.1
require("zip")
-- credits: https://stackoverflow.com/questions/2829175/how-to-extract-files-from-a-zip-file-using-lua
function extract(zipPath, zipFilename, destinationPath)
local zfile, err = zip.open(zipPath .. zipFilename)
-- iterate through each file insize the zip file
for file in zfile:files() do
local currFile, err = zfile:open(file.filename)
local currFileContents = currFile:read("*a") -- read entire contents of current file
local hBinaryOutput = io.open(destinationPath .. file.filename, "wb")
-- write current file inside zip to a file outside zip
if(hBinaryOutput)then
hBinaryOutput:write(currFileContents)
hBinaryOutput:close()
end
currFile:close()
end
zfile:close()
end
os.execute("if not exist \"final\" mkdir final")
local files = io.popen('dir /B')
local list = { }
local count = nil
for filename in files:lines() do
if filename:find('cbz') then
local zfile = zip.open(filename)
if zfile then
local pngs = {}
for png in zfile:files() do
if png.filename:find("png") then
if count == nil then
count = tonumber(png.filename:match("%d+"))
end
pngs[png.filename] = tostring(count) .. ".png"
count = count + 1
end
end
list[filename] = pngs
zfile:close()
end
end
end
for filename, pngs in pairs(list) do
extract("", filename, "final\\")
for old, new in pairs(pngs) do
os.rename("final\\" .. old, "final\\" .. new)
end
end
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