[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: declare a="$b" if $a previously set as array
|
From: |
Dan Douglas |
|
Subject: |
Re: declare a="$b" if $a previously set as array |
|
Date: |
Mon, 15 Dec 2014 23:56:32 -0600 |
|
User-agent: |
KMail/4.14.3 (Linux/3.17.3; KDE/4.14.3; x86_64; ; ) |
On Sunday, December 14, 2014 09:44:16 PM Stephane Chazelas wrote:
> but:
>
> x='($(uname>&2))' bash -c 'f() { a[0]=x; declare a=$x; }; f'
>
> is not, because when in a function, declare ignores variables by
> the same name that have not been declared in that same scope
> (even if they have been *set* in that context)
>
> So it's more unlikely to be a problem than I thought it would be
> as "declare" is mostly used in functions.
Indeed I was just about to point this out. It's a rare scenario at least in my
code to either declare something twice in the same scope or rely upon a global
being in a particular state.
--
Dan Douglas
- Re: declare a="$b" if $a previously set as array, (continued)
- Re: declare a="$b" if $a previously set as array, Chet Ramey, 2014/12/14
- Re: declare a="$b" if $a previously set as array, Chet Ramey, 2014/12/14
- Re: declare a="$b" if $a previously set as array, Chet Ramey, 2014/12/14
- Re: declare a="$b" if $a previously set as array, Chet Ramey, 2014/12/14
- Re: declare a="$b" if $a previously set as array, Stephane Chazelas, 2014/12/14
- Re: declare a="$b" if $a previously set as array, Stephane Chazelas, 2014/12/14
- Re: declare a="$b" if $a previously set as array, Chet Ramey, 2014/12/15
- Re: declare a="$b" if $a previously set as array, Stephane Chazelas, 2014/12/16
- Re: declare a="$b" if $a previously set as array, Stephane Chazelas, 2014/12/16
- Re: declare a="$b" if $a previously set as array, Chet Ramey, 2014/12/23
- Re: declare a="$b" if $a previously set as array,
Dan Douglas <=
- Re: declare a="$b" if $a previously set as array, Linda Walsh, 2014/12/15
- Re: declare a="$b" if $a previously set as array, Chet Ramey, 2014/12/16
- Re: declare a="$b" if $a previously set as array, Chet Ramey, 2014/12/14
- Re: declare a="$b" if $a previously set as array, Stephane Chazelas, 2014/12/14
- Re: declare a="$b" if $a previously set as array, Chet Ramey, 2014/12/14
- Re: declare a="$b" if $a previously set as array, Dan Douglas, 2014/12/16
- Re: declare a="$b" if $a previously set as array, Stephane Chazelas, 2014/12/16
- Re: declare a="$b" if $a previously set as array, Stephane Chazelas, 2014/12/16
- Re: declare a="$b" if $a previously set as array, Chet Ramey, 2014/12/22
- Re: declare a="$b" if $a previously set as array, Chet Ramey, 2014/12/16