On Tuesday 22 July 2008, William L. Maltby wrote: > On Tue, 2008-07-22 at 18:07 +0100, Luciano Rocha wrote: > > On Tue, Jul 22, 2008 at 01:02:07PM -0400, David Mackintosh wrote: > > > The man page for screen says that I can create a detatched screen > > > running with a set command in it by doing this: > > > > > > $ screen -dm $command > > > > > > However, it doesn't work. Screen exits without creating the detached > > > screen. > > > > screen -dm isn't the same as screen -d -m. Try the latter. > > Just an FYI... > > You *may* be right, however... > > "Standards" dictate that "flags" can be combined into a single > parameter. This is "eased" (debatable IMO) by the "getopts" function in > bash, getopt(1) command and getopt(3) function call for C et al. You are right to the extent that posix getopt does indeed allow "-dn" as equivalent to "-d -n". But, _lots_ of programs use their own option parsing so assuming the above would be very foolish. > Unfortunately, *some* few programs do not implement this correctly. That I belive is a major understatement... /Peter -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 189 bytes Desc: This is a digitally signed message part. URL: <http://lists.centos.org/pipermail/centos/attachments/20080722/daa05dbd/attachment-0003.sig>