Bug#271603: test -f $UNSET

["Matthias Urlichs" <smurf@smurf.noris.de>]

You'll get a nasty error message.

Do

 if test -n "$FOO" && test -f "$FOO"

instead.

-- 
Matthias Urlichs   |   {M:U} IT Design @ m-u-it.de   |  smurf@smurf.noris.de