renaming media (jpg) for ePub creation

renaming media (jpg) for ePub creation

[Richard Vanek]

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Hello,

I am using this wonderful pandoc for converting articles in html in the 
ePub simple publications. Often I face issue when ePub reader is not able 
to display media (jpg) included in the .epub file, if the file name 
contains additional string as fetch from web. 

Here is the example:

name in html:                      sen_crop.jpg?itok=GpTzhRV5
name in generated ePub:   file0.jpg?itok=GpTzhRV5

Only when I rename it manually to file0.jpg it is visible in the 
problematic ePub readers.
I wonder if there is any way to define how to rename the media files, to 
option to strip part after ? in image url?

Thank you for your kind help

-richo-

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Re: renaming media (jpg) for ePub creation

[John MacFarlane]

Are you using the most up-to-date version of pandoc
(1.15.0.4)?  Some issues in this area have been fixed
recently.

+++ Richard Vanek [Jul 08 15 07:13 ]:
>   Hello,
>   I am using this wonderful pandoc for converting articles in html in the
>   ePub simple publications. Often I face issue when ePub reader is not
>   able to display media (jpg) included in the .epub file, if the file
>   name contains additional string as fetch from web.
>   Here is the example:
>   name in html:                      sen_crop.jpg?itok=GpTzhRV5
>   name in generated ePub:   file0.jpg?itok=GpTzhRV5
>   Only when I rename it manually to file0.jpg it is visible in the
>   problematic ePub readers.
>   I wonder if there is any way to define how to rename the media
>   files, to option to strip part after ? in image url?
>   Thank you for your kind help
>   -richo-
>
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Re: renaming media (jpg) for ePub creation

[Richard Vanek]

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John

 I am on Debian Jessie and last version here is 1.12.4.2.
I would be happy to upgrade, but it is mostly difficult for Debian.
If you have or anybody else a suggestion I would appreciate it very much
-r-

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Re: renaming media (jpg) for ePub creation

[kurt.pfeifle-gM/Ye1E23mwN+BqQ9rBEUg]

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You could use cabal to install the latest package into a non-system, 
separate location, ${HOME}/.cabal/:

cabal update
cabal install cabal-install
export PATH=${HOME}/.cabal/bin:${PATH}
cabal install pandoc pandoc-citeproc

(I hope I didn’t miss an important step… Oh, yes: you need to find out 
which Debian package has the cabal utility. Maybe it is named ghc-platform, 
or cabal-install…)


Am Mittwoch, 8. Juli 2015 20:11:40 UTC+2 schrieb Richard Vanek:

John
>
>  I am on Debian Jessie and last version here is 1.12.4.2.
> I would be happy to upgrade, but it is mostly difficult for Debian.
> If you have or anybody else a suggestion I would appreciate it very much
> -r-
>
​

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Re: renaming media (jpg) for ePub creation

[Richard Vanek]

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John,

I have managed to install binary .deb file found on pandoc web. My image 
issue is solved.
Thanks !

-r-

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Re: renaming media (jpg) for ePub creation

[Richard Vanek]

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Kurt,

this is very interesting I had no idea about cabal. This is very good to 
know.
Thanks!
-r-

On Wednesday, 8 July 2015 20:26:21 UTC+2, kurt.p...-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org wrote:

> You could use cabal to install the latest package into a non-system, 
> separate location, ${HOME}/.cabal/:
>
> cabal update
> cabal install cabal-install
> export PATH=${HOME}/.cabal/bin:${PATH}
> cabal install pandoc pandoc-citeproc
>
> (I hope I didn’t miss an important step… Oh, yes: you need to find out 
> which Debian package has the cabal utility. Maybe it is named ghc-platform, 
> or cabal-install…)
>
>
> Am Mittwoch, 8. Juli 2015 20:11:40 UTC+2 schrieb Richard Vanek:
>
> John
>>
>>  I am on Debian Jessie and last version here is 1.12.4.2.
>> I would be happy to upgrade, but it is mostly difficult for Debian.
>> If you have or anybody else a suggestion I would appreciate it very much
>> -r-
>>
> ​
>

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Re: renaming media (jpg) for ePub creation

[Andre Castro]

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use cabal instead. It is haskell's own pacakge manager - similiar to how 
debian has aptitude and apt.
It is quite simple, it takes care of the dependencies for you, and you 
can run the most recent versions of pandoc.
Just follow Kurt's instructions.

BTW, you said your image file had filenames like:
>
> name in html: sen_crop.jpg?itok=GpTzhRV5
> name in generated ePub: file0.jpg?itok=GpTzhRV5
Why do they have "?itok=GpTzhRV5" following the image extension? Is 
there any reason or necessity for that?

If I were you I'd try to get rid of them. Most likely the file will then 
display fine on both html and epub. Ending the filename with anything 
but the extension is asking for trouble when converting between 
markups/formats.


Good luck.
a


On 07/08/2015 08:49 PM, Richard Vanek wrote:
> John,
>
> I have managed to install binary .deb file found on pandoc web. My 
> image issue is solved.
> Thanks !
>
> -r-
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