Selecciona un entorno virtual

select_env.sh

#!/bin/bash

echo && echo "Selecciona el entorno virtual que quieres usar"
echo "1. Python (pyenv)"
echo "2. NodeJS (jsenv)"
echo "3. Ruby (rbenv)"

read -n 1 c
if [ $c == 1 ]; then
    source pyenv/bin/activate
elif [ $c == 2 ]; then
    source jsenv/bin/activate
else
    source rbenv/bin/activate
fi

# Source
# https://www.cyberciti.biz/faq/linux-unix-read-one-character-atatime-while-loop/