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

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  662 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  1168 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  704 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  1296 Reads  No comments

On 11th October we held our first JHOVE online hack day. Our aim was to catalogue error messages produced by JHOVE to get a better understanding of their meaning and potential preservation impact. Background: organising an online hack day We have been considering running online hackathons because attending face-to-face events has become more difficult as […]

By Becky, posted in Becky's Blog

19th Oct 2016  10:06 AM  1475 Reads  No comments

JHOVE is a great tool for validating content, such as PDFs, however much of the validation output given is difficult to understand. The aim of this online hack day is to enhance our knowledge about JHOVE errors – to create descriptions of errors and to identify example files, as well as to start to understand […]

By Becky, posted in Becky's Blog

11th Oct 2016  12:00 AM  0 Reads  No comments

During March and April 2015 the OPF assumed stewardship of JHOVE after the existing maintainer, Gary McGath, expressed his wish to step down. The OPF’s initial aims were to take ownership of the JHOVE resources and establish sustainable home for the project on GitHub. Following this we’ve updated the build, testing and distribution process for […]

By Becky, posted in Becky's Blog

26th Aug 2015  1:00 PM  0 Reads  No comments