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#!/bin/sh
# Example script for 'add group command'. Handle weird NT group
# names. First attempt to create the group directly, if that fails
# then create a random group and print the numeric group id.
#
# Note that this is only an example and assumes /dev/urandom.
#
# Volker
GROUPNAME="$1"
ITERS=0
while ! /usr/sbin/groupadd "$GROUPNAME" >/dev/null 2>&1; do
# we had difficulties creating that group. Maybe the name was
# too weird, or it already existed. Create a random name.
GROUPNAME=nt-$(dd if=/dev/urandom bs=16 count=1 2>/dev/null | md5sum | cut -b 1-5)
ITERS=$(expr "$ITERS" + 1)
if [ "$ITERS" -gt 10 ]; then
# Too many attempts
exit 1
fi
done
getent group | grep ^"$GROUPNAME": | cut -d : -f 3
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