open/close commands // or how to never write "xdg-" or "kill -9" again

bash_profile.sh

#! /bin/bash

# open file/folder/url
if [[ "$(uname)" =~ "Darwin" ]] ; then
    true # do nothing because macOS already have "open" command
elif [[ "$(uname)" == "Linux" ]] ; then
    alias open=xdg-open
else
    alias open=start
fi

# close processname
function close {
    pids=$(ps -e | grep $1)
    if [[ "$pids" != "" ]] ; then
        while IFS= read -r line; do
            pid=$(echo $line | tr -s ' ' | cut -d ' ' -f 2)
            cmd=$(echo $line | tr -s ' ' | cut -d ' ' -f 5)
            if [[ "$cmd" == "$1" ]] ; then
                echo "Closing $cmd ($pid)"
                kill -9 $pid
            fi
        done <<< "$pids"
    else
        echo Process $1 not found
    fi
}