Re: Array parameter expansion with non-space-IFS on bash-3/4

[Chet Ramey]

DennisW wrote:
> On Nov 27, 3:47 pm, Freddy Vulto <fvu...@gmail.com> wrote:
>> I noticed different behaviour between bash-3 and bash-4 when
>> performing parameter expansion on an array with IFS set to a non-space
>> value.  For example, on bash-3.2.39, I get:
>>
>>     $ bash -c 'IFS=:; printf "<%s>\n" "${@/q}"' x a b
>>     <a b>
>>
>> Whereas on bash-4.0.33, I get:
>>
>>     $ bash -c 'IFS=:; printf "<%s>\n" "${@/q}"' x a b
>>     <a>
>>     <b>
>>
>> Bash-4 seems to give the desired result (leave the array intact), but
>> it's a bug on bash-3?
>>
>> Regards,
>>
>> Freddy Vultohttp://fvue.nl
> 
> It seems to be a combination of IFS and pattern substitution. 

It was a bug in bash-3.2, fixed in bash-4.0.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/