For what it's worth, Daniel Mills on Freenode's #bash channel (e36freak) suggested the following alternative:
awk -v min=1 -v max=10 '{for (f=1; f<=NF; f++) if (+$f >= min && +$f <=
max) {print; found=1; next}} END {exit !found}'
It read text containing numbers on standard input.
Thanks,
Kingsley
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