Display reminders when cd-ing into directories containing a .cd-reminder file

cd_reminder.sh

# cd_reminder
#  - Add bash excerpt below to your .bashrc or .bash_aliases
#  - Restart your terminal or run `source .bashrc`
#  - Add a file named `.cd-reminder` into a directory
#  - `cd` into this directory: the content of `.cd-reminder` will be printed out

# Slightly modified version from https://unix.stackexchange.com/questions/18532/show-message-when-cd-into-specific-directory
# to allow printing ANSI colors
cd_reminder() {
    builtin cd "$@" && { [ ! -f .cd-reminder ] || echo -ne $(cat .cd-reminder | sed  's/$/\\n/' | sed 's/ /\\a /g');  }
}
alias cd=cd_reminder