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commit bash-20110311 snapshot

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Chet Ramey
2011-12-29 13:05:08 -05:00
parent 40647963e2
commit d9e1f41e7f
49 changed files with 13947 additions and 12188 deletions
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doc/bashref.texi
+5 -3
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@@ -6248,9 +6248,6 @@ name[@var{subscript}]=@var{value}
@noindent
The @var{subscript}
is treated as an arithmetic expression that must evaluate to a number.
If @var{subscript} evaluates to a number less than zero, it is used as
an offset from one greater than the array's maximum index (so a subcript
of -1 refers to the last element of the array).
To explicitly declare an array, use
@example
declare -a @var{name}
@@ -6317,6 +6314,11 @@ If @var{subscript} is @samp{@@} or
@samp{*}, the expansion is the number of elements in the array.
Referencing an array variable without a subscript is equivalent to
referencing with a subscript of 0.
If the @var{subscript}
used to reference an element of an indexed array
evaluates to a number less than zero, it is used as
an offset from one greater than the array's maximum index (so a subcript
of -1 refers to the last element of the array).
An array variable is considered set if a subscript has been assigned a
value. The null string is a valid value.