On 12/16/14 5:10 PM, Stephane Chazelas wrote:
> bash-4.3$ a=([9223372036854775806]=1 2 3 4)
> bash-4.3$ echo "${!a[@]}"
> -9223372036854775808 -9223372036854775807 9223372036854775806
> 9223372036854775807
>
> That wraps but as signed longs, which means we get negative
> indexes which we can't easily use.
OK. Array indices are arithmetic expressions. From the man page:
"Evaluation is done in fixed-width integers with no check for overflow"
They're not checked.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU [email protected] http://cnswww.cns.cwru.edu/~chet/
