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48614: getopts: Calculate OPTIND according to POSIX_BUILTINS

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dana 2021-05-03 18:08:11 -05:00
parent 2da0d8b52f
commit c23a0d84b0
6 changed files with 52 additions and 2 deletions
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3
Doc/Zsh/builtins.yo
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@ -982,7 +982,8 @@ vindex(OPTARG, use of)
The first option to be examined may be changed by explicitly assigning
to tt(OPTIND). tt(OPTIND) has an initial value of tt(1), and is
normally set to tt(1) upon entry to a shell function and restored
upon exit (this is disabled by the tt(POSIX_BUILTINS) option). tt(OPTARG)
upon exit. (The tt(POSIX_BUILTINS) option disables this, and also changes
the way the value is calculated to match other shells.) tt(OPTARG)
is not reset and retains its value from the most recent call to
tt(getopts). If either of tt(OPTIND) or tt(OPTARG) is explicitly
unset, it remains unset, and the index or option argument is not

3
Doc/Zsh/options.yo
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@ -2249,7 +2249,8 @@ command found in the path.
Furthermore, the tt(getopts) builtin behaves in a POSIX-compatible
fashion in that the associated variable tt(OPTIND) is not made
local to functions.
local to functions, and its value is calculated differently to match
other shells.
Moreover, the warning and special exit code from
tt([[ -o )var(non_existent_option)tt( ]]) are suppressed.