my bash profile :)

.bashrc

# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples

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

# don't put duplicate lines or lines starting with space in the history.
# See bash(1) for more options
HISTCONTROL=ignoreboth

# append to the history file, don't overwrite it
shopt -s histappend

# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
HISTSIZE=10000
HISTFILESIZE=20000

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

# If set, the pattern "**" used in a pathname expansion context will
# match all files and zero or more directories and subdirectories.
#shopt -s globstar

# 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

# set a fancy prompt (non-color, unless we know we "want" color)
case "$TERM" in
    xterm-color|*-256color) color_prompt=yes;;
esac

# uncomment for a colored prompt, if the terminal has the capability; turned
# off by default to not distract the user: the focus in a terminal window
# should be on the output of commands, not on the prompt
#force_color_prompt=yes

if [ -n "$force_color_prompt" ]; then
    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
	# We have color support; assume it's compliant with Ecma-48
	# (ISO/IEC-6429). (Lack of such support is extremely rare, and such
	# a case would tend to support setf rather than setaf.)
	color_prompt=yes
    else
	color_prompt=
    fi
fi

# Function to get current git branch
parse_git_branch() {
    git branch 2>/dev/null | sed -n '/\* /s///p'
}

if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[33m\]:$(parse_git_branch)\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w:$(parse_git_branch)\$ '
fi
unset color_prompt force_color_prompt

# 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
    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

# colored GCC warnings and errors
#export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'

# some more ls aliases
alias ll='ls -lrth'
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
    . ~/.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
    . /usr/share/bash-completion/bash_completion
  elif [ -f /etc/bash_completion ]; then
    . /etc/bash_completion
  fi
fi

# fzf
source /usr/share/doc/fzf/examples/key-bindings.bash


# path for flutter
export PATH="$PATH:/home/gianrocco/flutter/bin"

export ANDROID_HOME=/home/gianrocco/Android/Sdk
export PATH=$ANDROID_HOME/cmdline-tools/latest/bin:$PATH

#path  for jupyter
export PATH=/home/gianrocco/.local/bin:$PATH

# # pyenv
# export PYENV_ROOT="$HOME/.pyenv"
# export PATH="$PYENV_ROOT/bin:$PATH"
# eval "$(pyenv init --path)"

eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"


export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion

# define an alias or the termina bell
alias bell='echo -e "\a"'


###  ###  ###  ###  
## functions to compute CPU and RAM usage and send alerts if they exceed X% 

# compute cpu usage
compute_cpu_usage() {
    local cpu_usage=$(top -bn1 | grep "Cpu(s)" | awk '{us=$2; sy=$4; ni=$6; wa=$10; hi=$12; gsub(/%/,"",us); gsub(/%/,"",sy); gsub(/%/,"",ni); gsub(/%/,"",wa); gsub(/%/,"",hi); print us+sy+ni+wa+hi}')
    echo "$cpu_usage"
}

# compute RAM usage
compute_ram_usage() {
    local ram_usage=$(free | awk '/Mem/{printf("%.0f"), $3/$2 * 100.0}')
    echo "$ram_usage"
}

# add alert whenever the RAM usage is above 70%
check_ram_usage() {
    local ram_usage=$(compute_ram_usage)
    if [ "$ram_usage" -gt 70 ]; then
        notify-send "RAM Usage Alert" "Your RAM usage is at ${ram_usage}%!" && bell
    fi
}

# check CPU usage
check_cpu_usage() {
    local cpu_usage=$(compute_cpu_usage)
    if [ "$cpu_usage" -gt 70 ]; then
        notify-send "CPU Usage Alert" "Your CPU usage is at ${cpu_usage}%!" && bell
    fi
}

# check RAM usage every 5 minutes
while true; do
    check_ram_usage
    check_cpu_usage
    sleep 300
done &