I've just upgraded to Ubuntu 20.04 from 18.04. Gnome screenshot command does not work anymore. The command does not copy the screenshot to the clipboard.
gnome-screenshot -a -c
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After months of banging my head and fingers, it is like so:
Prtscn => Saves Full screen to folder [default ~/Pictures]
And all combinations. [except alt + shift which behaves like alt alone]
Ctrl + Shift + Prtscn will let you select area and save it to clipboard
I found a workaround in https://askubuntu.com/a/1212806/1074472
gnome-screenshot -acf /tmp/test && cat /tmp/test | xclip -i -selection clipboard -target image/png
You need to have xclip installed.
I think the issue has been there for a while. It is probably due to a bug in recent versions of gnome-setting-daemon, which clears data in clipboard when the app is closed. Thus, when the command
gnome-screenshot -a -c runs and finishes, the screenshot is saved to clipboard and then cleared. That is the best guess for now.
For more information and updates, please refer to https://gitlab.gnome.org/GNOME/gnome-screenshot/-/issues/66