export PATH="/usr/local/bin:$PATh"
export PATH="/usr/local/bin:$PATH"

usr/local/bin:/usr/local/bin:/usr/local/bin:/usr/local/bin:

$ /bin/bash ./.profile

/usr/bin/vi ~/.bash_profile

vipath() {
  local tmpfile=$(mktemp /tmp/vipath-edit.XXXXXX)
  echo "$PATH" | tr ':' 'n' > "$tmpfile"
  vi "$tmpfile" && PATH=$(paste -s -d ':' "$tmpfile")
  rm "$tmpfile"
}

pathadd() {
  if [ -d "$1" ] && [[ ! ":$PATH:" =~ ":$1:" ]]
  then
    PATH="$1:$PATH"
  fi
}