#!/bin/sh # # $OpenBSD: concatdb.sh,v 1.10 2003/06/29 21:59:28 millert Exp $ # # Copyright (c) September 1995 Wolfram Schneider <wosch@FreeBSD.org>. Berlin. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. # # concatdb - concatenate locate databases # # usage: concatdb database1 ... databaseN > newdb # # Sequence of databases is important. # # $Id: concatdb.sh,v 1.10 2003/06/29 21:59:28 millert Exp $ # The directory containing locate subprograms : ${LIBEXECDIR=/usr/libexec}; export LIBEXECDIR PATH=$LIBEXECDIR:/bin:/usr/bin:$PATH; export PATH umask 077 # protect temp files TMPDIR=${TMPDIR:-/tmp}; export TMPDIR; if test X"$TMPDIR" = X -o ! -d "$TMPDIR"; then TMPDIR=/tmp; export TMPDIR fi # utilities to built locate database : ${bigram=locate.bigram} : ${code=locate.code} : ${sort=sort -H} case $# in [01]) echo 'usage: concatdb databases1 ... databaseN > newdb' exit 1 ;; esac bigrams=`mktemp ${TMPDIR=/tmp}/_bigrams.XXXXXXXXXX` || exit 1 trap 'rm -f $bigrams' 0 1 2 3 5 10 15 for db do $locate -d $db / done | $bigram | $sort -nr | awk 'BEGIN { ORS = "" } NR <= 128 { print $2 }' > $bigrams for db do $locate -d $db / done | $code $bigrams