1#!/bin/sh 2# 3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 4# 5# Copyright (c) September 1995-2022 Wolfram Schneider <wosch@FreeBSD.org> 6# All rights reserved. 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27# SUCH DAMAGE. 28# 29# concatdb - concatenate locate databases 30# 31# usage: concatdb database1 ... databaseN > newdb 32# 33# Please note: the sequence of databases is important. 34# 35# $FreeBSD$ 36 37# stop on first error 38set -e 39set -o pipefail 40 41# The directory containing locate subprograms 42: ${LIBEXECDIR:=/usr/libexec}; export LIBEXECDIR 43 44PATH=$LIBEXECDIR:/bin:/usr/bin:$PATH; export PATH 45: ${TMPDIR:=/var/tmp}; export TMPDIR; 46 47# utilities to built locate database 48: ${bigram:=locate.bigram} 49: ${code:=locate.code} 50: ${sort:=sort} 51: ${locate:=locate} 52 53if [ $# -lt 2 ]; then 54 echo 'usage: concatdb databases1 ... databaseN > newdb' 55 exit 1 56fi 57 58bigrams=$(mktemp -t bigrams) 59trap 'rm -f $bigrams' 0 1 2 3 5 10 15 60 61for db 62do 63 $locate -d $db / 64done | $bigram | $sort -nr | \ 65 awk 'NR <= 128 && /^[ \t]*[1-9][0-9]*[ \t]+..$/ { printf("%s", substr($0, length($0)-1, 2)) }' > $bigrams 66 67for db 68do 69 $locate -d $db / 70done | $code $bigrams 71 72#EOF 73