Re: Some incorrect behaviour for BASH arrays

[Lawrence Velázquez]

On Wed, Aug 30, 2023, at 2:12 PM, Victor Pasko wrote:
> Attached please find bug.bash to reproduce incorrect BASH behaviour for
> BASH arrays
> and look at ways to run it

Your tests are flawed.  The lines you use to inspect RESULT...

> badsed() { # just array indexes are used for RESULT
>   ...
>   echo -n "   result=$RESULT size=${#RESULT}"
>   echo " ${RESULT:0:$k}"
> }
>
> ...
>
> badrev() {
> ...
> if [ $i -ge $QSTRING ] ; then
> echo "XXX-break i=$i result=$RESULT size=${#RESULT}"
> break # XXX
> fi
>   done
>   echo "      result=$RESULT size=${#RESULT}"
> }

...are actually only inspecting element 0 of RESULT.  As per the
manual, "[r]eferencing an array variable without a subscript is
equivalent to referencing with a subscript of 0" [*].

Try using ''declare -p RESULT'' instead.

[*] https://www.gnu.org/software/bash/manual/html_node/Arrays.html

-- 
vq