4
votes
1answer
74 views

Mimetype mess after calibre installation. How can I fix it?

I always get text/plain or application/octet-stream when running "mimetype" on all file types. The command "file --mime-type" seems to identify correctly the different file types. For instance, if I ...
11
votes
1answer
462 views

How can I stop Files from oversimplifying file types?

When I sort files by type in Files, both JPEG and TIFF file types are described unhelpfully as "Image". This oversimplification makes sorting effectively useless for me: When writing this question ...
9
votes
1answer
830 views

Force file extension to open with specific app (Extensions like .exe, .jpg, .mp4…)

I have already read the question about Creating .desktop files to use on the "Open with other application" tab but this is not what I want, I want to be able to click on the file in Dash or ...
5
votes
1answer
362 views

Is it possible to preview arbitrary formats in Nautilus?

I recently found out that Nautilus (Ubuntu 12.04 at least) can show thumbnails of files of non-image formats, for example (data grapher) grace files (.agr) shows a small version of the graph contained ...
2
votes
1answer
113 views

Ubuntu apps open folders instead of documents?

I must have done something to Ubuntu 12.04 on my latop because a few weeks ago, various applications (Chrome, Calibre, etc.) have stopped opening documents (like PDFs, zip files, etc.). What happens ...
6
votes
2answers
2k views

Is there a way to quickly change all the file extensions of all files in a folder?

I have a large folder of .m4b audio books which in their current format won't play on my Android phone. However they do work fine if they are renamed to .m4a Is there a quick method or terminal ...
11
votes
4answers
908 views

How to highlight just the name (not the extension) for renaming?

Is there a way to turn it off so that when you're renaming a file, it doesn't highlight the extension?