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Unix read value validation

Posted February 3, 2018 1k views
MiscellaneousDebian

I use this code to store a password variable in the current script:

read -sp "What's your DB user password?" dbuserp

Is there a way to change the command to ask for the password twice and check matching? All in one line?

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kamaln7 February 13, 2018

Unfortunately, it’s not possible to do that using read directly. You will need to ask for input twice and then check if they match:

read -sp "What's your DB user password?" dbuserp
read -sp "Please confirm your DB user password:" dbuserp_conf
if [ "$dbuserp" != "$dbuserp_conf" ]; then
    # passwords do not match
fi
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