1#!/bin/sh 2# 3# SPDX-License-Identifier: BSD-2-Clause 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 36# stop on first error 37set -e 38set -o pipefail 39 40# The directory containing locate subprograms 41: ${LIBEXECDIR:=/usr/libexec}; export LIBEXECDIR 42 43PATH=$LIBEXECDIR:/bin:/usr/bin:$PATH; export PATH 44: ${TMPDIR:=/var/tmp}; export TMPDIR; 45 46# utilities to built locate database 47: ${bigram:=locate.bigram} 48: ${code:=locate.code} 49: ${sort:=sort} 50: ${locate:=locate} 51 52if [ $# -lt 2 ]; then 53 echo 'usage: concatdb databases1 ... databaseN > newdb' 54 exit 1 55fi 56 57bigrams=$(mktemp -t bigrams) 58trap 'rm -f $bigrams' 0 1 2 3 5 10 15 59 60for db 61do 62 $locate -d $db / 63done | $bigram | $sort -nr | \ 64 awk 'NR <= 128 && /^[ \t]*[1-9][0-9]*[ \t]+..$/ { printf("%s", substr($0, length($0)-1, 2)) }' > $bigrams 65 66for db 67do 68 $locate -d $db / 69done | $code $bigrams 70 71#EOF 72