Answer by cmak.fr for Automating removal of legacy entries in /etc/group
yes the grep idea is fast and reliable. Take care to always have the /etc/group file exists. You can save the output of grep in a variable then rewrite the file :: newGroup=$(grep -v '+' /etc/group);...
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I'm removing entries in /etc/group programmatically. Because I cannot use grep, cat, or cut for this exercise, I wrote my own program that can produce stdout and stdout data to essentially read a...
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