Dannyman sez:
# octects
oct1=`echo $subnet | awk -F . ‘{print $1}’`
oct2=`echo $subnet | awk -F . ‘{print $2}’`
oct3=`echo $subnet | awk -F . ‘{print $3}’`
oct4=`echo $subnet | awk -F . ‘{print $4}’`
Later, when reviewing my script, Anonymous Coward offered this little gem:
$ set `echo 10.20.30.40 | tr ‘.’ ‘ ‘`
Ok, that’s a reduction from 12 forks [...]
