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World_Of_Computer_Software-02-385-Vol-1of3.iso
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ticscrip.zip
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updatehosts
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1992-08-31
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74 lines
#!/bin/sh
# @(#) updatehosts 1.9 92/08/31 @(#)
#
# update the host tables and DNS files
#
# arguments are the files to edit
#
# Copyright (c) 1992 by Texas Internet Consulting
# This code may be freely copied and used so long as this
# copyright notice is attached. This code may not be sold
# without the express written permission of Texas Internet Consulting.
# Texas Internet Consulting makes no warranty as to the correctness
# nor the applicability of this code for any purpose.
EDITOR=${EDITOR-vi}
DNS_PARAMETERS=${DNS_PARAMETERS-dns_parameters}
NAMED_DIR=${NAMED_DIR-/etc/named}
cd ${NAMED_DIR}
# if no arguments display options
if [ $# -eq 0 ]; then
echo "Usage: -u | file..."
exit 1
fi
# shift off the update option and proceed
if [ "$1" = "-u" ]; then
shift
fi
# set umask to group read and write
umask 2
# check if the files exist and are under SCCS control and are readable
okay=1
for i do
if [ ! -f SCCS/s.$i ]; then
echo "file $i is not under SCCS control"
okay=0
elif [ ! -r SCCS/s.$i ]; then
echo "file $i is not readable by you"
okay=0
elif [ -f SCCS/p.$i ]; then
echo "file $i is already checked out under SCCS"
okay=0
elif [ -f $i ]; then
rm -f $i
fi
done
if [ $okay -eq 0 ]; then
exit 1
fi
# checkout and edit the files
for i do
sccs edit $i
$EDITOR $i
sccs delget $i
done
# update the serial file
sccs edit serial >/dev/null 2>&1
sccs delget -s -y "" serial
# generate the static tables
echo "generating static hosts table..."
genstatic
# generate the dns map
echo "generating the DNS database..."
gendns
poke_ns reload