30 lines
726 B
Bash
30 lines
726 B
Bash
#!/bin/sh
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# Copyright (c) 1996 Wolfram Schneider <wosch@FreeBSD.org>. Berlin.
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# All rights reserved.
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#
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# rmgroup - delete a Unix group
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#
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# $Id: rmgroup.sh,v 1.1 1996/10/30 20:41:17 wosch Exp wosch $
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PATH=/bin:/usr/bin; export PATH
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db=/etc/group
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case "$1" in
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""|-*) echo "usage: rmgroup group"; exit 1;;
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wheel|daemon|kmem|sys|tty|operator|bin|nogroup|nobody)
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echo "Do not remove system group: $1"; exit 2;;
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*) group="$1";;
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esac
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if egrep -q -- "^$group:" $db; then
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if egrep -q -- "^$group:\*:0:" $db; then
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echo "Do not remove group with gid 0: $group"
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exit 2
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fi
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egrep -v -- "^$group:" $db > $db.new &&
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cp -pf $db $db.bak &&
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mv -f $db.new $db
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else
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echo "Group \"$group\" does not exists in $db."; exit 1
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fi
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