Convert symlink to hardlink or regular file

cp remove-destination ln f readlink

Source

• https://stackoverflow.com/a/75263788/12780516
• https://stackoverflow.com/a/13396140/12780516

ln -f $(readlink bar.pdf) bar.pdf                    # makes it a hardlink to the same file
cp --remove-destination $(readlink bar.pdf) bar.pdf  # makes it a completely separate regular file