bash: Word splitting but when?
Wed Oct 22 14:49:00 GMT 2008
Thank you for pointing out that section of the manual. Surely this explains the behaviour...
> Date: Wed, 22 Oct 2008 07:14:19 -0700
> From: firstname.lastname@example.org
> To: email@example.com
> Subject: Re: bash: Word splitting but when?
> firstname.lastname@example.org wrote:
>> the ouput of $(echo '1 2 3 x') should go through word splitting and x
> Word splitting does not occur in the right-hand side of an assignment.
> From the manual:
> A variable may be assigned to by a statement of the form
> If value is not given, the variable is assigned the null string.
> All values undergo tilde expansion, parameter and variable expan-
> sion, command substitution, arithmetic expansion, and quote
> removal (see EXPANSION below). If the variable has its integer
> attribute set, then value is evaluated as an arithmetic expres-
> sion even if the $((...)) expansion is not used (see Arithmetic
> Expansion below). Word splitting is not performed, with the
> exception of "$@" as explained below under Special Parameters.
> Pathname expansion is not performed. Assignment statements may
> also appear as arguments to the alias, declare, typeset, export,
> readonly, and local builtin commands.
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