Can I export a variable to the environment from a bash script without sourcing it?

Question

Suppose that I have this script

export.bash:

#! /usr/bin/env bash
export VAR=\"HELLO, VARIABLE\"

When I execute th

Answer 1

Found an interesting and neat way to export environment variables from a file:

in env.vars:

foo=test

test script:

eval `cat env.vars`
echo $foo         # => test
sh -c 'echo $foo' # => 

export eval `cat env.vars`
echo $foo         # => test
sh -c 'echo $foo' # => test

# a better one
export `cat env.vars`
echo $foo         # => test
sh -c 'echo $foo' # => test