On Tue, May 31, 2011 at 01:14, fred smith <fredex at fcshome.stoneham.ma.us> wrote: > Yes, all commands return a value UNLESS it was written by one of the > idi,... er, misguided programmers who thinks its ok to write (in > C): > > void main (void) > { > ... > exit(); > } > > because, of course, in C main() always returns SOMETHING. > > I'm sure it's the same in a bash script, even if the script doesn't > explicitly provide a return value I imagine the shell returns something > anyway, it's just that it's meaningless when that happens. > I also learned in C that main should be an int. Now that I'm studying Java, main is always a void and nobody has been able to explain to me why. -- Dotan Cohen http://gibberish.co.il http://what-is-what.com