[comp.unix.questions] echo without an argument is not portable

brnstnd@kramden.acf.nyu.edu (Dan Bernstein) (08/21/90)

In article <1681@blackbird.afit.af.mil> hamlin@blackbird.afit.af.mil (Joe Hamlin) writes:
> (tr '\012' ' '; echo)

Some versions of echo won't do anything without an argument. echo '' is
much more portable.

---Dan