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Re: [Documentation] Parameter expansion: missing colon in example
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From: |
Chet Ramey |
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Subject: |
Re: [Documentation] Parameter expansion: missing colon in example |
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Date: |
Mon, 24 Jul 2023 11:19:47 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 |
On 7/21/23 2:37 PM, private--- via Bug reports for the GNU Bourne Again
SHell wrote:
Hello,
The example on parameter expansion[1] should perhaps read :
$ echo ${v:-unset}
instead of :
$ echo ${v-unset}
There should probably be more examples showing the differences between the
- and :- operators with different values of v, so I'll add some.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/