From ada42926b14b9718b853b3713b02a836f944959d Mon Sep 17 00:00:00 2001 From: "Barton E. Schaefer" Date: Sat, 19 Oct 2013 14:29:52 -0700 Subject: 31849: document effect of KSH_ZERO_SUBSCRIPT on the argv special array --- Doc/Zsh/params.yo | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'Doc') diff --git a/Doc/Zsh/params.yo b/Doc/Zsh/params.yo index 97087a1c5..9d951bb38 100644 --- a/Doc/Zsh/params.yo +++ b/Doc/Zsh/params.yo @@ -431,9 +431,15 @@ of a shell function, shell script, or the shell itself; see noderef(Invocation), and also noderef(Functions). The parameter var(n), where var(n) is a number, is the var(n)th positional parameter. +The parameter `tt($0)' is a special case, see +noderef(Parameters Set By The Shell). + The parameters tt(*), tt(@) and tt(argv) are arrays containing all the positional parameters; thus `tt($argv[)var(n)tt(])', etc., is equivalent to simply `tt($)var(n)'. +Note that the options tt(KSH_ARRAYS) or tt(KSH_ZERO_SUBSCRIPT) apply +to these arrays as well, so with either of those options set, +`tt(${argv[0]})' is equivalent to `tt($1)' and so on. Positional parameters may be changed after the shell or function starts by using the tt(set) builtin, by assigning to the tt(argv) array, or by direct -- cgit 1.4.1