realpath

       realpath [OPTION]... FILE...

DESCRIPTION
       Print  the resolved absolute file name; all but the last component must
       exist

       -e, --canonicalize-existing
              all components of the path must exist

       -m, --canonicalize-missing
              no path components need exist or be a directory

       -L, --logical
              resolve '..' components before symlinks

       -P, --physical
              resolve symlinks as encountered (default)

       -q, --quiet
              suppress most error messages

       --relative-to=FILE
              print the resolved path relative to FILE

       --relative-base=FILE
              print absolute paths unless paths below FILE

       -s, --strip, --no-symlinks
              don't expand symlinks

       -z, --zero
              end each output line with NUL, not newline

       --help display this help and exit

       --version
              output version information and exit

AUTHOR
       Written by Padraig Brady.

REPORTING BUGS
       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report   realpath   translation   bugs    to    <http://translationpro-
       ject.org/team/>

COPYRIGHT
       Copyright  (C) 2016 Free Software Foundation, Inc.  License GPLv3+: GNU
       GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free  to  change  and  redistribute  it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       readlink(1), readlink(2), realpath(3)
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