Struggling to use Mmap with ZipArchives

General Usage
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4

Perhaps the mmap is still holding some resource? Try putting each block in a function to see if that causes the mmap to be released.

function read()
    open("simpletest.zip") do io
        mm=Mmap.mmap(io)
        q = ZipArchives.ZipReader(mm)
        zip_openentry(q, "xl/worksheets/sheet1.xml") do z
            countlines(z)
        end
    end
end

function write()
    ZipArchives.ZipWriter("simpletest.zip") do w 
        zip_newfile(w, "test/test2.txt")
        write(w, "I am data inside test2.txt in the zip file")
    end
end

readme_n_lines = read()
write()
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