Bash-Script: dir and script name

#!/bin/bash

###  Bash-Script: dir and script name ###

## Setup ##
if [ ! -f "/tmp/src dir/test.sh" ];
then

# copy pased to terminal to run it instant ;-)
   mkdir -p "/tmp/src dir/other"
   cd "/tmp/src dir/"
   wget -O test.sh https://pastebin.com/raw/J8KjxrPF
   sed -i 's/\r//g' test.sh
   chmod 700 test.sh
   cd other
   ../test.sh
# end copy pased

fi

## The script ##
echo "Sample: \"/tmp/src dir/test.sh\" called by \"/tmp/src dir/other\""
echo "See script @ Setup"
echo
echo Script-Dir : `dirname "$(realpath $0)"`
echo Script-Dir : $( cd ${0%/*} && pwd -P )
echo Script-Dir : $(dirname "$(readlink -f "$0")")
echo
echo Script-Name : `basename "$(realpath $0)"`
echo Script-Name :  `basename $0`
echo
echo Script-Dir-Relative : `dirname "$BASH_SOURCE"`
echo Script-Dir-Relative : `dirname $0`
echo
echo Calling-Dir : `pwd`

## The output: ##
# Script-Dir : /tmp/src dir
# Script-Dir : /tmp/src dir
# Script-Dir : /tmp/src dir

# Script-Name : test.sh
# Script-Name : test.sh

# Script-Dir-Relative : ..
# Script-Dir-Relative : ..

# Calling-Dir : /tmp/src dir/other