I still hear it used reasonably often, but always as part of the phrase "take a shufti". Any Aussie would know what you meant if you asked them to "take a shufti" at something. And, of course, Arabic slang didn't JUST come to Australia via WWI, since there was a very large Australian contribution made to the North African campaign during WW2.
South African court throws out fraud case against opposition politician (Reuters)
from the article: Fair dinkum: A Hebrew guide to Aussie English