v7 man page for readlink

READLINK(1)							   User Commands						       READLINK(1)

NAME
       readlink - print resolved symbolic links or canonical file names

SYNOPSIS
       readlink [OPTION]... FILE...

DESCRIPTION
       Note realpath(1) is the preferred command to use for canonicalization functionality.

       Print value of a symbolic link or canonical file name

       -f, --canonicalize
	      canonicalize by following every symlink in every component of the given name recursively; all but the last component must exist

       -e, --canonicalize-existing
	      canonicalize by following every symlink in every component of the given name recursively, all components must exist

       -m, --canonicalize-missing
	      canonicalize  by	following every symlink in every component of the given name recursively, without requirements on components exis-
	      tence

       -n, --no-newline
	      do not output the trailing delimiter

       -q, --quiet,

       -s, --silent
	      suppress most error messages (on by default)

       -v, --verbose
	      report error messages

       -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 Dmitry V. Levin.

REPORTING BUGS
       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report readlink translation bugs to <http://translationproject.org/team/>

COPYRIGHT
       Copyright (C) 2017 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(2), realpath(1), realpath(3)

       Full documentation at: <http://www.gnu.org/software/coreutils/readlink>
       or available locally via: info '(coreutils) readlink invocation'

GNU coreutils 8.28						   January 2018 						       READLINK(1)