67.5 Photo Metadata Modification

20220403

We can modify the EXIF data using exiftool. Here we add a Date to a gif image:

$ exiftool -Date="2019:02:14 12:30:30.0713" photo.gif 

$ exiftool photo.gif
ExifTool Version Number         : 10.80
File Name                       : photo.gif
Directory                       : .
File Size                       : 2028 kB
[...]
File Type                       : GIF
File Type Extension             : gif
MIME Type                       : image/gif
GIF Version                     : 89a
Image Width                     : 640
Image Height                    : 480
[...]
Date                            : 2019:02:14 12:30:30.0713
[...]
Frame Count                     : 11
Duration                        : 1.65 s
Image Size                      : 640x480
Megapixels                      : 0.307

---

Your donation will support ongoing availability and give you access to the PDF version of this book. Desktop Survival Guides include Data Science, GNU/Linux, and MLHub. Books available on Amazon include Data Mining with Rattle and Essentials of Data Science. Popular open source software includes rattle, wajig, and mlhub. Hosted by Togaware, a pioneer of free and open source software since 1984. Copyright © 1995-2022 Graham.Williams@togaware.com Creative Commons Attribution-ShareAlike 4.0