SS=$(which ss) if [ -x "$SS" ]; then $SS -n -s | grep ^TCP: | sed 's/\(,\|(\)/\n/g' | tr -d "/" | tr -d ")" | sed 's/^ //g' | grep -v ^TCP else netstat -nt | awk ' /^tcp/ { c[$6]++; } END { for (x in c) { print x, c[x]; } }' fi