You can add album art images to your mp3 files. Use EasyTAG (GUI) or eyed3 (CLI) ID3 tag editors to accomplish that.
Example. Use eyed3 to remove any embedded images, then list options for embedded image file, then embed an image for an icon:
eyeD3 --remove-images test.mp3
eyeD3 --add-image=test.jpg:ICON test.mp3
Add an image, various text info and a longer comment from a text file:
eyeD3 --set-encoding="utf8" --year="2018" --artist="test" --album="test" --publisher="test" --title="test" --comment=:"test":"$comment" --add-image=test.jpg:ICON test.mp3
You can mount a directory inside another directory. It is a functional analogue of having it hard linked, which is normally available only for files.
You can do it either by running a command:
mount --bind source_dir destination_dir
or, if you want it to be permanent, adding a line to your /etc/fstab:
source_dir destination_dir none defaults,bind 0 0
If you see strange characters in mc, with all the line art ruined, run the following command in the terminal, before starting mc:
Use exiftran to losslessly rotate JPEG images. It preserves EXIF data while doing it. And it can even auto-rotate your images in accordance to the EXIF rotation data.
Example to losslessly autorotate all JPEG images in the current directory:
- exiftran -ai *.jpg*
A tutorial on how to make make a Gantt chart in Excel by using standard graphing tools.
Little known fact, that both .mht and .eml files are basically the same thing – plain text file, containing specially formatted HTML text with extra resources, e.g. images, added at the end of the file in base64 encoding.
You can freely change file extension from .mht to .eml and back, for it to be opened by default either by a web browser or an e-mail application.