From e50b688cd5d246a6134fe614ae4efdf9e7dd649e Mon Sep 17 00:00:00 2001 From: Peter Stephenson Date: Fri, 4 Jul 2003 16:05:18 +0000 Subject: 18571: extra note on += for associative arrays --- Doc/Zsh/params.yo | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'Doc/Zsh') diff --git a/Doc/Zsh/params.yo b/Doc/Zsh/params.yo index 889ab3f85..675a75991 100644 --- a/Doc/Zsh/params.yo +++ b/Doc/Zsh/params.yo @@ -257,6 +257,16 @@ patterns used for reverse subscripting (the `tt(r)', `tt(R)', `tt(i)', etc. flags), but it may also affect parameter substitutions that appear as part of an arithmetic expression in an ordinary subscript. +It is possible to avoid the use of subscripts in assignments to associative +array elements by using the syntax: + +example( + aa+=('key with "*strange*" characters' 'value string') +) + +This adds a new key/value pair if the key is not already present, and +replaces the value for the existing key if it is. + The basic rule to remember when writing a subscript expression is that all text between the opening `tt([)' and the closing `tt(])' is interpreted em(as if) it were in double quotes (\ -- cgit 1.4.1