What is the difference between source <script> and ./<script>?
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问题:
回答1:
source script.sh runs the script within the current process, thus all variable assignments are preserved as variables even after the script finishes (and don't have to be explicitly export'd).
./script.sh just runs the script in a subprocess, and any variables which are assigned disappear after the script is done.
回答2:
source script will change your current environment, ./script will not.
(EDIT: script has to be executable to use ./)
