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Re: options shenanigans in pre4
- X-seq: zsh-workers 1797
- From: Zefram <A.Main@xxxxxxxxxxxxxxxxx>
- To: hzoli@xxxxxxxxxx (Zoltan Hidvegi)
- Subject: Re: options shenanigans in pre4
- Date: Sat, 27 Jul 1996 22:48:54 +0100 (BST)
- Cc: A.Main@xxxxxxxxxxxxxxxxx, zsh-workers@xxxxxxxxxxxxxxx
- In-reply-to: <199607272101.XAA00537@xxxxxxxxxxxxxxxxxxxx> from "Zoltan Hidvegi" at Jul 27, 96 11:01:27 pm
>> Where did that "is" come from? It's obviously a typo, and should be
>I just applied your patch and replaced SH_FILE_SUBST with SH_FILE_EXPN.
>Either it was already in the patch or I accidently pressed some keys.
I've checked; it was already in the patch. It's a typo on my part.
>I would not like that. I've just checked pdksh which interprets -s as
>SH_IN_STDIN unlike ksh93 which sorts the positional parameters. POSIX does
>not requires -s. It seems that the majority of the shells interpret -s as
>shinstdin. Perhaps the best is to bring it back even if it increases the
>risk of misusing it.
I based the ksh option set on pdksh, not realising the
incompatibility. As both sh and pdksh handle -s the way zsh does, I
think it would be better to use -s for SHIN_STDIN. We should then
remove -t, if we're going to be consistent.
>I'd rather say pdksh. Neither bash nor ksh93 know about -X and -l, but
>both know all of the other sh options in zsh only they interpret -s in a
>different way. pdksh knows both -X and -l but -s behaves as in bash (and
>as in the Solaris 2.4 /bin/sh). This means that the most precise option
>name would be PDKSH_OPTION_LETTERS :-) but the next best match is
>SH_OPTION_LETTERS if we restore -s as shinstdin.
OK, SH_OPTION_LETTERS seems fine in that case.
On a related matter, I suggest you re-examine the status of -1 and -C
(PRINT_EXIT_VALUE and NO_CLOBBER). In pre4, -C returned to being
PRINT_EXIT_VALUE in the zsh option set, though zshoptions(1) claims
that -C is always NO_CLOBBER. If this is due to me having merged the
change into my option patch incorrectly, I apologise. Either the
documentation or the code needs to change, and I suggest that changing
the documentation would be preferable (as -C has traditionally been
PRINT_EXIT_VALUE in zsh, and it's NO_CLOBBER in the ksh option set
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