kpsereadlink - Man Page
print contents of symbolic link
If file is a symbolic link, print its contents (what it links to), and exit successfully. Exit with a failure otherwise.
On systems that do not support symbolic links, kpsereadlink will always fail.
kpsereadlink accepts the following options:
Print help message and exit.
Print version information and exit.
1 March 2011 Kpathsea 6.3.4