On 8/15/19 9:18 AM, Greg Wooledge wrote:
> On Thu, Aug 15, 2019 at 12:37:01PM +0300, jarno.s...@saunalahti.fi wrote:
>> https://www.gnu.org/software/bash/manual/html_node/Arrays.html tells
>> "unset name[subscript] destroys the array element at index subscript."
>>
>> But if there is a file named names, nameu ,nameb, namec, namer, namei, namep
>> or namet in currenct directory, that does not work, unless globbing is
>> disabled (set -o noglob).
>>
>> So quoting should be stressed in the manual.
>>
>> BASH_VERSION 4.4.20(1)-release
>
> It actually *is* mentioned in the manual, in 4.4. But that sentence was
> removed in version 5.0 for some reason.
That sentence was removed and replaced with an entire paragraph:
"When using a variable name with a subscript as an argument to a com-
mand, such as with unset, without using the word expansion syntax
described above, the argument is subject to pathname expansion. If
pathname expansion is not desired, the argument should be quoted."
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU c...@case.edu http://tiswww.cwru.edu/~chet/
