[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: "unset var" pops var off variable stack instead of unsetting it
|
From: |
Chet Ramey |
|
Subject: |
Re: "unset var" pops var off variable stack instead of unsetting it |
|
Date: |
Wed, 22 Mar 2017 11:30:51 -0400 |
|
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 |
On 3/21/17 3:19 AM, Dan Douglas wrote:
> Also not documented is how a variable declared with declare/typeset is
> distinct from an unset variable.
I don't know, I think this is pretty clear:
"A parameter is set if it has been assigned a value."
The previous paragraph discusses attributes. The subsequent paragraph
discusses how values are assigned.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/
- Re: "unset var" pops var off variable stack instead of unsetting it, (continued)
- Re: "unset var" pops var off variable stack instead of unsetting it, Dan Douglas, 2017/03/17
- Re: "unset var" pops var off variable stack instead of unsetting it, Chet Ramey, 2017/03/18
- Re: "unset var" pops var off variable stack instead of unsetting it, Eric Blake, 2017/03/20
- Re: "unset var" pops var off variable stack instead of unsetting it, Chet Ramey, 2017/03/20
- Re: "unset var" pops var off variable stack instead of unsetting it, Stephane Chazelas, 2017/03/20
- Re: "unset var" pops var off variable stack instead of unsetting it, Chet Ramey, 2017/03/20
- Re: "unset var" pops var off variable stack instead of unsetting it, Stephane Chazelas, 2017/03/21
- Re: "unset var" pops var off variable stack instead of unsetting it, Martijn Dekker, 2017/03/22
Re: "unset var" pops var off variable stack instead of unsetting it, Chet Ramey, 2017/03/18
Re: "unset var" pops var off variable stack instead of unsetting it, Chet Ramey, 2017/03/18
Re: "unset var" pops var off variable stack instead of unsetting it, Peter & Kelly Passchier, 2017/03/19
Re: "unset var" pops var off variable stack instead of unsetting it, 渡邊裕貴, 2017/03/20
Re: "unset var" pops var off variable stack instead of unsetting it, Stephane Chazelas, 2017/03/20
Re: "unset var" pops var off variable stack instead of unsetting it, Greg Wooledge, 2017/03/20