portsearch

#!/usr/bin/env bash
# desc: search process who  own the port
# netstat -apn | grep $1, but is not be strict 

source "$HOME/CodeHub/SHELL/libs/bootstrap.sh"

HELP_MESSAGE="
descript: 
    search process who own the port with 'lsof ...' or 'netstat ...'
usage: 
    portsearch option {port}
options:
    --help,-h   show the help
"

if [[ -z "$1" ]] ;then
    sudo netstat -tlnp
    exit 0
fi

if [[ -z "$1" || "$1" = "--help" || "$1" = "-h" ]]; then
    helpShow
fi

# MSG=`sudo netstat -tlnp | egrep \(:$1\\\s+\|State\)`
MSG=`sudo netstat -tlna | egrep .$1` # Mac
COUNT=`echo "$MSG" | wc -l`

if [[ $COUNT -gt 0 ]]
then 
    # echo "======================== EXEC netstat =========================================================="
    echo "$MSG"
fi

if MSG=`sudo lsof -P -i:$1`
then
    echo
    # echo "======================== EXEC lsof ============================================================="
    echo "$MSG"
fi