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| From | "Chris F.A. Johnson" <chris@cfajohnson.com> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: Preventing Bash Variable Confusion |
| Date | Thu, 30 Jan 2020 12:02:31 -0500 (EST) |
| Lines | 21 |
| Approved | bug-bash@gnu.org |
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On Wed, 29 Jan 2020, Chet Ramey wrote:
> On 1/29/20 2:05 PM, Roger wrote:
>
>> "Linux Shell Scripting with Bash." (Burtch) suggested using declare instead of
>> local, due to local lacking the other switches declare provides. p262 (eg.
>> declare can specify type of variable, such as integar only.)
>
> This is just wrong. `local' accepts the same option set as `declare'.
There are other things wrong in that book as well; the description of
printf, for example.
Don't use it as an authority on bash.
--
Chris F.A. Johnson <http://cfajohnson.com/>
=========================== Author: ===============================
Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
Pro Bash Programming: Scripting the GNU/Linux shell (2009, Apress)
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Re: Preventing Bash Variable Confusion "Chris F.A. Johnson" <chris@cfajohnson.com> - 2020-01-30 12:02 -0500
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