04-20-2013
$PWD returns an absolute path, but it is the path to the current directory. If you do not change the current directory in your script first, then this is the current directory of the person who is running the script, so ${EXPORTPATH} becomes relative to his current directory...
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PWD(1) BSD General Commands Manual PWD(1)
NAME
pwd -- return working directory name
SYNOPSIS
pwd [-LP]
DESCRIPTION
pwd writes the absolute pathname of the current working directory to the standard output.
The following options are available:
-L If the PWD environment variable is an absolute pathname that contains neither "/./" nor "/../" and references the current directory,
then PWD is assumed to be the name of the current directory.
-P Print the physical path to the current working directory, with symbolic links in the path resolved.
The default for the pwd command is -P.
pwd is usually provided as a shell builtin (which may have a different default).
EXIT STATUS
The pwd utility exits 0 on success, and >0 if an error occurs.
SEE ALSO
cd(1), csh(1), ksh(1), sh(1), getcwd(3)
STANDARDS
The pwd utility is expected to be conforming to IEEE Std 1003.1 (``POSIX.1''), except that the default is -P not -L.
BUGS
In csh(1) the command dirs is always faster (although it can give a different answer in the rare case that the current directory or a con-
taining directory was moved after the shell descended into it).
pwd -L relies on the file system having unique inode numbers. If this is not true (e.g., on FAT file systems) then pwd -L may fail to detect
that PWD is incorrect.
BSD
October 30, 2003 BSD