Someone knows how can I create one pdf file from multiple ppt files ?
Whether it to write script or computer program. However if it can be done with some program it will be the best.
I searched the web for something like this but I didn't get any results.
If you want to convert the PPT/PPTX files to PDF and then join those converted PDF files into a single PDF using either .NET or Java, you may try Aspose.Slides and Aspose.Pdf.Kit components.
Aspose.Slides allows you to convert the PPT/PPTX files to PDF and Aspose.Pdf.kit allows you to join the PDF files into a single PDF. Please see if this solution can work for your scenario.
Disclosure: I work as developer evangelist at Aspose.
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We would like to automate the processing of Zugferd invoices.
Is there a way to extract and save the xml files embedded in the PDF using Ghostscript?
as mentioned by KenS Ghostscript can help assemble Zugferd files but not extract the contents. Below we can see those contents in the source xml (lower) and a good !? PDF where the plain text is visible (upper part of image is PDF viewed in WordPad) and can be easily extracted as text. However nothing about PDF extraction is reliable since the format of one PDF is rarely the same as the next unless you make it so.
Many PDF readers have the ability to export such attachments as the source file and many PDF libraries will allow for extraction of the named file in a scripted fashion.
The samples above are from currently very up to date Open Source Java application https://www.mustangproject.org/
For very simple cross platform use there is pdfdetach which can save any attachments by name or all attachments
I wasn't able to find anything on the internet and I get the feeling that what I want is not such a trivial thing. To make a long story short: I'd like to get my hands on the underlying code that describes the PDF document of a selected area from a .pdf file. I've been looking for libraries or open source readers but couldn't find anything useful yet.
Does there exist something that might be able to accomplish my needs here or anything that might be reused (like an open source reader) to get there a little faster and not having to write everything from scratch?
You can convert a whole PDF document to PostScript using pdftops, one of the utilities from the poppler PDF rendering library.
This utility enables you to convert individual pages, which is at least a start.
If you just want to extract bitmapped images, try pdfimages from the same package. This extraction can also be restricted to individual pages.
The poppler library was originally written for UNIX-like systems, but there are a couple of windows builds available.
The open source tool from iText called iText RUPS does what you want, showing you all the PDF commands for a particular PDF and allow you to visualize the structure and relationships.
http://sourceforge.net/projects/itextrups/
In one of my applications I need to merge many single PDF documents into one document, where each of the original PDFs is a page. Although many PDF libraries exist for most languages, I would like to write this myself if it's not too hard.
Is it necessary to implement a full-fledged PDF parser in order to merge PDF documents? Where and what would I start to read to find out what is needed for the task?
You can use the Debenu QuickPDF Library Lite (free) version to do it. Here is a very good example how to do it:
http://www.debenu.com/kb/merge-pdf-files-together-programmatically/
Using VBA outside of the MS-Office suite of applications, is there a good way to create a PDF document, or another light-weight document that can be converted to a PDF?
I have data within classes, which I want to get into a PDF, how do I do that quickly, without resorting to opening up MS Word, MS Excel, etc?
This link seems like it might be helpful with solving your issue.
http://forums.adobe.com/thread/840511
According to the information there you can print to the adobe pdf virtual printer and it will generate the file. The people on that forum were doing something with emailing the file afterwards and generating the file from access data, but it looks like a solution that will work for any VBA project.
Is there any way to generate PDF files from classic ASP? I have a bunch of user-entered data that needs to be turned into a PDF that the user can download. How can I do this? OpenOffice allows exporting documents to PDF, so could this somehow be leveraged?
I played around a bit with this (Persits ASPPDF): http://www.asppdf.com/
Maybe running an external application that could be using CrystalReports... and you just pass it as an xml?
That's how i would do it... (lazy mode)
See a full list of PDF components here: http://www.aspin.com/home/components/document/pdf Many of them are free.
It is also possible to use XSLT to output PDF but I am not sure if this is supported by the Microsoft XML Parser. I remember there were something stopping me when I tried to do this 3-4 years ago. Might be worth checking out know depending out the type of data you have as source.
However if these are static files or a one time job consider using a PDF converter on your computer and just upload the files to the server. There are heaps of tools for this, including Adobe Acrobat.