/usr.bin/locate/locate/concatdb.sh
https://bitbucket.org/freebsd/freebsd-head/ · Shell · 70 lines · 24 code · 11 blank · 35 comment · 4 complexity · 1f38650b731b1ae94142e6eeb8b12171 MD5 · raw file
- #!/bin/sh
- #
- # 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.
- #
- # $FreeBSD$
- # The directory containing locate subprograms
- : ${LIBEXECDIR:=/usr/libexec}; export LIBEXECDIR
- PATH=$LIBEXECDIR:/bin:/usr/bin:$PATH; export PATH
- umask 077 # protect temp files
- : ${TMPDIR:=/var/tmp}; export TMPDIR;
- test -d "$TMPDIR" || TMPDIR=/var/tmp
- # utilities to built locate database
- : ${bigram:=locate.bigram}
- : ${code:=locate.code}
- : ${sort:=sort}
- : ${locate:=locate}
- 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 'NR <= 128 { printf $2 }' > $bigrams
- for db
- do
- $locate -d $db /
- done | $code $bigrams