Binary Data to Image

ruby-talk
1

Hi all,

Im reading XML file which has Content tag which has binary data(i
assume). I need to read that content and store it as image.

Data in XML looks like this:
WEcxA1HTcsbiHgufPW41U1Du0HAdIY/WvTSB1s9NGtgW4W4BMSHJnnjF/m4K+vKuF0d8Q29yLWNzlvmT9orboet9EYouFMX9QvG3sV0PO7/gtXF7BjQGhGoSzh+Pg8iWk705TkOSm/5LrKOsqx5JrCNh4eqHTyuWBhV6PGDV+AUack69Diqei+DJUn2ze+5otVoSs2mgpiV4Wmp9Djc0rYXrrqDpmcxjIfo61uK3JpvaFBConokCgR1JKNS6BgMIDg==

XML Tag is :
<CONTENT SRC="gn-content"
TYPE="cover">WEcxA1HTcsbiHgufPW41U1Du0HAdIY/WvTSB1s9NGtgW4W4BMSHJnnjF/m4K+vKuF0d8Q29yLWNzlvmT9orboet9EYouFMX9QvG3sV0PO7/gtXF7BjQGhGoSzh+Pg8iWk705TkOSm/5LrKOsqx5JrCNh4eqHTyuWBhV6PGDV+AUack69Diqei+DJUn2ze+5otVoSs2mgpiV4Wmp9Djc0rYXrrqDpmcxjIfo61uK3JpvaFBConokCgR1JKNS6BgMIDg==</CONTENT>

Please find the attach sample xml data. Code written so far is as
follows:

require 'base64'
@content =
'WEcxAyEJQTXiHgufhAdVefCCvSH2njBUZ/dzBOsTuNj9guPeaJrJL80KjGWl8dglgJ56veLnyl/Fdu8I1tS7uAR65G82/WxygyR/lOE7bNLMCHS1p3Ah48iCzQBSJ1jnOl1HuL8hAR0aGhHIN8oW7IofdVX0YPSaQoanrUkz7iPt56TbZH5qiynHqLD9ZepkDGpSAUuInzLZG/2BixmyuqH2ctZnMqPAJR4vveB7mT7KVsJRIofMZqK6ptHWRAmk4w=='
@filename= 'Sana.jpg'
str = Base64.decode64(@content)
File.open(@filename, 'wb') do|f|
  BinaryString.
  f.write(Base64.decode64(@content))
end

Please help im new to Ruby

Attachments:
http://www.ruby-forum.com/attachment/6868/_album__album_cover_search73.log

···

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Posted via http://www.ruby-forum.com/.

2

-----Messaggio originale-----

···

Da: Sagar Varule [mailto:sagar.varule@gmail.com]
Inviato: giovedì 29 dicembre 2011 08:42
A: ruby-talk ML
Oggetto: Binary Data to Image

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3

Hi all,

Im reading XML file which has Content tag which has binary data(i
assume). I need to read that content and store it as image.

Data in XML looks like this:
WEcxA1HTcsbiHgufPW41U1Du0HAdIY/WvTSB1s9NGtgW4W4BMSHJnnjF/m4K+vKuF0d8Q29yLWNzlvmT9orboet9EYouFMX9QvG3sV0PO7/gtXF7BjQGhGoSzh+Pg8iWk705TkOSm/5LrKOsqx5JrCNh4eqHTyuWBhV6PGDV+AUack69Diqei+DJUn2ze+5otVoSs2mgpiV4Wmp9Djc0rYXrrqDpmcxjIfo61uK3JpvaFBConokCgR1JKNS6BgMIDg==

XML Tag is :
<CONTENT SRC="gn-content"
TYPE="cover">WEcxA1HTcsbiHgufPW41U1Du0HAdIY/WvTSB1s9NGtgW4W4BMSHJnnjF/m4K+vKuF0d8Q29yLWNzlvmT9orboet9EYouFMX9QvG3sV0PO7/gtXF7BjQGhGoSzh+Pg8iWk705TkOSm/5LrKOsqx5JrCNh4eqHTyuWBhV6PGDV+AUack69Diqei+DJUn2ze+5otVoSs2mgpiV4Wmp9Djc0rYXrrqDpmcxjIfo61uK3JpvaFBConokCgR1JKNS6BgMIDg==</CONTENT>

Please find the attach sample xml data. Code written so far is as
follows:

require 'base64'
@content =
'WEcxAyEJQTXiHgufhAdVefCCvSH2njBUZ/dzBOsTuNj9guPeaJrJL80KjGWl8dglgJ56veLnyl/Fdu8I1tS7uAR65G82/WxygyR/lOE7bNLMCHS1p3Ah48iCzQBSJ1jnOl1HuL8hAR0aGhHIN8oW7IofdVX0YPSaQoanrUkz7iPt56TbZH5qiynHqLD9ZepkDGpSAUuInzLZG/2BixmyuqH2ctZnMqPAJR4vveB7mT7KVsJRIofMZqK6ptHWRAmk4w=='
@filename= 'Sana.jpg'
str = Base64.decode64(@content)
File.open(@filename, 'wb') do|f|
BinaryString.
f.write(Base64.decode64(@content))

Why do you decode twice? You have the binary data already in str.

end

Please help im new to Ruby

Attachments:
http://www.ruby-forum.com/attachment/6868/_album__album_cover_search73.log

And where exactly is the problem?

Kind regards

robert

···

On Thu, Dec 29, 2011 at 8:41 AM, Sagar Varule <sagar.varule@gmail.com> wrote:

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http://blog.rubybestpractices.com/