How can a non dba user manipulate the dump file outside of oracle ?

I have a business request to allow a none DBA database user to dump his tables and he can move his dump file on the Unix box from a file system to another file system. This user has a none oracle unix account. When using traditional exp, this is not a problem. But in expdp, all dump files are owned by oracle. Does anybody know how to change the ownership without a DBA involved?
Unix: Sun Solaris
DB: 10g
Storage: sand disk

Betty wrote:
following option 1, problem is now the command in the shell script like chmod 744 doesn't allow this none dba user to change the permission, since he doesn't own the file. you can test yourself:
changepermit.ksh 755
chmod 744 dump.dmpSo have the script owned by oracle:dba change the owner!
$ echo "" > bla
$ ll bla
-rw-rw-rw-   1 jeg    users            1 Nov 10 16:53 bla
$ chmod 640 bla
$ ll bla
-rw-r-----   1 jeg    users            1 Nov 10 16:53 bla
$ chown smk bla
$ ll bla
-rw-r-----   1 smk    users            1 Nov 10 16:53 bla
$ echo "" > bla
/usr/bin/ksh: bla: cannot createNote you'll have to move it unless you let oracle write to it.

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