On 2010-05-06 07:41:59 -0600, Eric Blake wrote: > No, you're missing one other key point of POSIX: > > http://www.opengroup.org/onlinepubs/9699919799/utilities/V3_chap01.html > Section 1.4, OPTIONS: > > Default Behavior: When this section is listed as "None.", it means > that the implementation need not support any options. Standard utilities > that do not accept options, but that do accept operands, shall recognize > "--" as a first argument to be discarded.
OK, an alternative way would be that an exception is added to POSIX, just like for "echo". > The requirement for recognizing "--" is because conforming > applications need a way to shield their operands from any arbitrary > options that the implementation may provide as an extension. For > example, if the standard utility foo is listed as taking no options, and > the application needed to give it a pathname with a leading <hyphen>, it > could safely do it as: > > foo -- -myfile > > and avoid any problems with -m used as an extension. However, if extensions are allowed, this would mean that many scripts would have to be fixed. -- Vincent Lefèvre <vinc...@vinc17.net> - Web: <http://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <http://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / Arénaire project (LIP, ENS-Lyon) -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
