Blogs: jhove

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The tech clinic offers OPF members the opportunity to book one-to-one online sessions to discuss any technical aspects of your work. This might include: getting started with OPF tools, e.g. installation and basic usage; help with integrating open source tools into local automated workflows and systems; investigating problems and issues with open source tools; assistance […]

By Becky, posted in Becky's Blog

14th Dec 2017  10:00 AM  0 Reads  No comments

In digital preservation we rely on automation and tools for some of our most crucial tasks like format identification and validation. One of the most widespread tools for format validation is JHOVE. As there is no other validation tool which checks the well-formedness and validity of plain PDF files, the quality and infallibility of JHOVE’s […]

By Becky, posted in Becky's Blog

21st Nov 2017  10:00 AM  0 Reads  No comments

The tech clinic offers OPF members the opportunity to book one-to-one online sessions to discuss any technical aspects of your work. This might include: getting started with OPF tools, e.g. installation and basic usage; help with integrating open source tools into local automated workflows and systems; investigating problems and issues with open source tools; assistance […]

By Becky, posted in Becky's Blog

9th Nov 2017  10:00 AM  0 Reads  No comments

The tech clinic offers OPF members the opportunity to book one-to-one online sessions to discuss any technical aspects of your work. This might include: getting started with OPF tools, e.g. installation and basic usage; help with integrating open source tools into local automated workflows and systems; investigating problems and issues with open source tools; assistance […]

By Becky, posted in Becky's Blog

10th Aug 2017  10:00 AM  0 Reads  No comments

Course Overview If you have a digital preservation strategy that involves digital files, you’ll know how important it is to understand the file formats in which your data is encoded. To do this comprehensively involves at least three main operations: identifying the format, characterising the format, and validating the format. To put it another way, […]

By Becky, posted in Becky's Blog

18th Jul 2017  12:00 AM  0 Reads  No comments

This blog diary captures what the OPF team have been upto. We aim to post updates at least once a fortnight, more regularly when there’s a lot going on. Becky: It’s been a busy month, starting off with our Annual General Meeting on 7-8 June. This year it was kindly hosted by the Bibliothèque nationale […]

By Becky, posted in Becky's Blog

29th Jun 2017  2:19 PM  924 Reads  No comments

April’s JHOVE hack day was another great success covering a range of development and non-development tasks; issues and pull requests were closed, sample files were found, user documentation was reviewed, and our knowledge on JHOVE errors was expanded upon. We don’t want the great work achieved this day to stop there though! There’s still plenty […]

By Peter May, posted in Peter May's Blog

22nd Jun 2017  4:04 PM  1484 Reads  3 Comments

The second JHOVE online hack day took place on 27 April. Once again, we were delighted to be joined by volunteers from around the world to help improve both the software and supporting documentation. During the hack day, participants: continued to add explanations to the error messages spreadsheet; reviewed and extended the documentation; fixed a […]

By Carl Wilson, posted in Carl Wilson's Blog

9th May 2017  1:25 PM  854 Reads  No comments

Join us to help improve JHOVE, an open source, identification, characterisation, and validation tool widely-used by the digital preservation community. Building on the fantastic community collaboration from our first online JHOVE Hack Day, we are happy to announce that registration is open for our second JHOVE Hack Day at: https://jhoveonlinehackday-spring2017.eventbrite.co.uk. During our second online hack day […]

By Becky, posted in Becky's Blog

27th Apr 2017  8:00 AM  0 Reads  No comments

Organisations that use JHOVE for PDF validation will already be familiar with the number of error messages it reports. The recently released JHOVE v1.16 Release Candidate (RC) includes a couple of my bug fixes for the PDF module which appear to reduce this number significantly. These fixes were the result of investigating “Invalid Page Dictionary Object” errors and […]

By Peter May, posted in Peter May's Blog

10th Mar 2017  2:23 PM  1482 Reads  No comments