Install XCLIP (if not already installed)
sudo apt install xclip -y Reading package lists... Done Building dependency tree Reading state information... Done The following NEW packages will be installed: xclip 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 18.4 kB of archives. After this operation, 60.4 kB of additional disk space will be used. Get:1 http://archive.ubuntu.com/ubuntu focal/universe amd64 xclip amd64 0.13-1 [18.4 kB] Fetched 18.4 kB in 0s (44.5 kB/s) Selecting previously unselected package xclip. (Reading database ... 386347 files and directories currently installed.) Preparing to unpack .../xclip_0.13-1_amd64.deb ... Unpacking xclip (0.13-1) ... Setting up xclip (0.13-1) ... Processing triggers for man-db (2.9.1-1) ...
Yank Contents of a File
xclip -sel c < simple-lightbox.js