From: Mike Dvorkin Date: 2006-09-07T14:46:49+09:00 Subject: Re: A little idiom I like Ahh, yes, it's pure DCL thingie carried all they way to cmd.exe. They called it command qualifiers back then :-). Best, Mike Dvorkin http://www.rubywizards.com On Sep 6, 2006, at 10:28 PM, Hal Fulton wrote: > Mike Dvorkin wrote: >> Don't think it was DEC. On PDP-11/RSX and VAX/VMS directories >> were enclosed in square brackets, something like SY:[0,1] or DUA0: >> [SYS $ROOT.DIR.SUBDIR], always with unique [ ] delimiters. > > Yes, the brackets were used that way... but Rick was talking > about the use of slashes for switches (the way Unix uses the > hyphen). That's a DECism, though it may have come from > elsewhere -- as in KJOB /F or simply K/F > > > Hal > > >> Best, >> Mike Dvorkin >> http://www.rubywizards.com >> On Sep 6, 2006, at 2:16 PM, Rick DeNatale wrote: >>> On 9/6/06, Berger, Daniel wrote: >>> >>>> >>>> Indeed. This is why all paths generated using the pathname2 >>>> package >>>> convert all forward slashes to backslashes. Also, the various >>>> PathXXX >>>> functions do NOT work with forward slashes. >>> >>> >>> If only Gary Kildall had not decided to use / instead of - for >>> parameter markers in CP/M, so that it wasn't taken when directories >>> were added. I'm pretty sure that he's the one to blame, or did it >>> come >>> from one of the DEC operating systems he used as a model for the >>> 'shell?' >>> >>> -- >>> Rick DeNatale >>> >>> My blog on Ruby >>> http://talklikeaduck.denhaven2.com/ >>> > >