my_bashrc/bash_rc

#!/bin/bash
# .bashrc

# If not running interactively, don't do anything
case $- in
  *i*) ;;
  *) return;;
esac

# Source global definitions
if [ -f /etc/bashrc ]; then
	# shellcheck disable=SC1091
	source /etc/bashrc
fi

# Uncomment the following line if you don't like systemctl's auto-paging feature:
# export SYSTEMD_PAGER=

# Local bin folders in path
if [ -d /usr/local/bin ]; then
  export PATH="${PATH}:/usr/local/bin"
fi

if [ -d /usr/local/sbin ]; then
  export PATH="${PATH}:/usr/local/sbin"
fi

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

# make less more friendly for non-text input files, see lesspipe(1)
[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"

# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "${debian_chroot:-}" ] && [ -r /etc/debian_chroot ]; then
  debian_chroot=$(cat /etc/debian_chroot)
fi

# If this is an xterm set the title to user@host:dir
case "$TERM" in
  xterm*|rxvt*)
    PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
    ;;
  *)
    ;;
esac

# enable color support of ls and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
	# shellcheck disable=SC2015
  test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
  alias ls='ls --color=auto'
  #alias dir='dir --color=auto'
  #alias vdir='vdir --color=auto'

  alias grep='grep --color=auto'
  alias fgrep='fgrep --color=auto'
  alias egrep='egrep --color=auto'
fi

# some more ls aliases
alias ll='ls -alF'
alias la='ls -A'
alias l='ls -CF'

# Add an "alert" alias for long running commands.  Use like so:
#   sleep 10; alert
alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"'

# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.
# See /usr/share/doc/bash-doc/examples in the bash-doc package.

if [ -f ~/.bash_aliases ]; then
  # shellcheck disable=SC1090
  source ~/.bash_aliases
fi

# enable programmable completion features (you don't need to enable
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if ! shopt -oq posix; then
  if [ -f /usr/share/bash-completion/bash_completion ]; then
    # shellcheck disable=SC1091
    source /usr/share/bash-completion/bash_completion
  elif [ -f /etc/bash_completion ]; then
    # shellcheck disable=SC1091
    source /etc/bash_completion
  fi
fi

mkdir -p "${HOME}/.screen"
export SCREENDIR="${HOME}/.screen"

# Source other RC files
mkdir -p "${HOME}/.bashrc.d"
for bashrc_file in $(find "${HOME}/.bashrc.d" -type f | grep -v '\.bak$' |grep -v '~$' | sort)
do
  if [ -n "${bashrc_file}" ]; then
    # shellcheck disable=SC1090
    source "${bashrc_file}"
  fi
done