Date: Mon, 06 Mar 2000 13:45:44 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: Doug Barton <Doug@gorean.org> Cc: hackers@FreeBSD.org, Max Khon <fjoe@iclub.nsu.ru>, Sheldon Hearn <sheldonh@uunet.co.za> Subject: Re: empty lists in for Message-ID: <200003061845.NAA02386@server.baldwin.cx> In-Reply-To: <38C3737B.63ACC551@gorean.org>
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On 06-Mar-00 Doug Barton wrote: > I just checked POSIX 1003.2. > > for name [ in word ] > do > compound-list > done > > the "in word" is optional. Therefore: > > for name in ; do echo $name; done > > is an error, whereas > > for name ; do echo $name; done These are two different functions. The second one loops through the command line parameters. > is not, and Bash does not report it as so, in or out of POSIX mode. > Also, your snippet clearly expects that there will be a word after "in." > It could easily be argued from that context that the presence of "in" > without a "word" to go with it is an error, even without the bit from > Martin's post. > > All that said, if the ports make system depends on the current > behavior, it has to be fixed before we can contemplate any changes. Patches accepted. > Doug -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.cslab.vt.edu/~jobaldwi/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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