Start Chromium / Chrome with a new, clean profile independent of the default one.

start-chrm.sh

#!/bin/bash

EXT_BROWSERPLUS="/mnt/data/Sync/Web/Projects/BrowserPlus"
SESSION_DIR="${HOME}/Downloads/chrm-session"

if [ -z "$1" ] || [ -z "$2" ];
then
  echo "Usage: start-chrm.sh {URL} {Session_Name}"
else
  OPT_EXT="--load-extension=${EXT_BROWSERPLUS}"
  OPT_USRDATA="--user-data-dir=${SESSION_DIR}/$2"
  
  zenity --question --text="Do you want to use proxy ?" --ok-label="Yes" --cancel-label="No"
  ANS=$?
  if [ "$ANS" -eq 0 ]; then
    PROXY_ADDR=`zenity --entry --title "Proxy Setup" --text "Please input proxy address:" --entry-text="socks5://localhost:9000"`
    OPT_PROXY="--proxy-server=${PROXY_ADDR}"
    chromium $1 $OPT_EXT $OPT_USRDATA $OPT_PROXY
  else
    chromium $1 $OPT_EXT $OPT_USRDATA
  fi

fi