>shopt -p extglob >/dev/null; s_extglob=$?
>shopt -s extglob
>( do processing )
>((s_extglob==1)) && shopt -u extglob
>I must think before posting. This still doesn't get over the fact
>that you've 'set -e'
Right - that's exactly the point. Since OP is running "set -e", he
should use a construct like:
shopt -q extglob || echo "It was unset!"
>not recommended.
Not recommended by a certain poster on this list, but other than that,
perfectly OK. I use "trap ERR" instead, which I consider to be the
current/modern version of "set -e".
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