prompt confirmation in bash

2016-05-24 :: ( 1 minutes reading )

From http://stackoverflow.com/questions/1885525/how-do-i-prompt-a-user-for-confirmation-in-bash-script

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read -p "Are you sure? " -n 1 -r
echo    # (optional) move to a new line
if [[ ! $REPLY =~ ^[Yy]$ ]]
then
    exit 1
fi
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