From: utzoo!lshum
Newsgroups: gripes
Title: test(1) 
Article-I.D.: utzoo.2189
Posted: Fri Jun 18 06:30:53 1982
Received: Fri Jun 18 06:30:53 1982

For completeness, test(1) should have the "-x file" primitive which
means true if "file" exists and executable. csh on Berkeley Unix has it.