":" as a csh command

[Kent Black]

In article <5576 at cbrma.att.com> karl at cbrma.att.com (Karl Kleinpaste) writes:
>
> `:' is used to specify labels in scripts, as in
>	if ($?some_variable) goto label
>		commands to skip if some_variable exists
>	label:
>	more commands
> When typed at an interactive prompt, it's a no-op.  But try typing
> "goto there" at an interactive prompt; csh will keep reading lines and
> doing absolutely nothing with them whatever until you type a line
> which says "there:" and nothing else.
> -- 
> Karl

Or, try typing 
	% foo:
	% echo hi
	% goto foo

Oh boy, high level control structures in an interactive shell ;-)
(4.3 (mt. xinu) on VAX/785 in case it doesn't work)


-- kab