Here I want to know about this sdptool command does in the following script snippet:if [ `sdptool browse $BD_ADDR | wc -l` -lt 5 ]I understand sdptool browse $BD_ADDR as well as wc -l -- it's used for new line counts in result of sdptool browse $BD_ADDR.but what about -lt 5?
What does sdptool do in this script?
linux;shell