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Subject: Re: [docbook-apps] Epub3 - zip, or not ?

Zip is just a compression format.  "zip" is the Info-zip program to create and manipulate zip files.  7-zip can create zip files so you just need to adapt the CLI args to add the files you need to a zip archive with an extension of '.epub'

On Thu, Aug 30, 2012 at 3:22 AM, Kerry, Richard <richard.kerry@atos.net> wrote:

I decided to try building an epub from my DocBook document, using epub3 .....
Following the instructions in the README.

Step 1.  XSL (epub3/chunk.xsl) to generate Xhtml and other files.
    That seems to work fine.

Step 2.  Copy in any image files.
    I wrote some XSL to scan package.opf and generate a batch file to do the copy.
    I don't think XSL (or Saxon) has a built-in ability to copy files, so I build a batch file then run it.

Step 3.  Zip it.
    Ok, so I do the command as in the README -
zip -r -X mybook.epub mimetype META-INF OEBPS

And I get -
'zip' is not recognized as an internal or external command, operable program or batch file.

So - firstly, if referring to a program that isn't part of the operating system, please explain exactly what is meant.

Anyway, I thought I recognized the syntax as Info-Zip's zip (I normally use 7-zip) so I set about getting a copy.
Ok, the download is FTP, which I haven't used for ages.  So install Filezilla and try and download an info-zip exe.
Eventually find an exe, from zip323xn.  Add its folder to my Path.

Then run it ....
zip -r -X mybook.epub mimetype META-INF OEBPS

And now I get -
        zip warning: multiple disk information ignored
<path-to>/Info-Zip/zip232xn/zip.exe: found a preamble of 20832 bytes
        zip warning: name not matched: mybook.epub
zip I/O error: Permission denied
zip error: Could not create output file (<path-to>//Info-Zip/zip232xn/zip.exe)

Ok, so can someone tell me how to actually get this to work ?

And ......
Can 7-zip be used for this, if Info-zip's zip is going to give problems ?
I think I've seen somewhere that "mimetype" should be in the archive but not compressed.  Is this so ?
If so how do we get it not to compress certain files ?


Richard Kerry
BNCS Engineer
T: +44 (0)20 82259063
M: +44 (0)7812 325518
Room EBX 301, BBC Television Centre, Wood Lane, London, W12 7RJ

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