Created
March 19, 2018 19:59
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| #!/usr/bin/env bash | |
| user="" | |
| candidate="" | |
| while [ -z "${user}" ] ; do | |
| read -p "enter an existing username: " -r candidate | |
| getent passwd "${candidate}" > /dev/null 2>&1 && user="${candidate}" | |
| done |
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