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Set TMPDIR to /tmp

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Remove the temp directory in trap.
Replace the buggy awk script with a correct perl script.

Don't make a copy of the input data anymore if the input is already
sorted (option -presort). This scheme avoid large temporary files in
/tmp.
This commit is contained in:
wosch 1998-11-29 00:59:20 +00:00
parent f14200ee15
commit 27d1e786a6
1 changed files with 35 additions and 14 deletions
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49
usr.bin/locate/locate/mklocatedb.sh
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@ -28,8 +28,7 @@
#
# usage: mklocatedb [-presort] < filelist > database
#
# $Id: mklocatedb.sh,v 1.6 1998/03/08 15:28:35 wosch Exp $
# $Id: mklocatedb.sh,v 1.7 1998/03/08 16:09:28 wosch Exp $
# The directory containing locate subprograms
: ${LIBEXECDIR:=/usr/libexec}; export LIBEXECDIR
@ -38,8 +37,12 @@ PATH=$LIBEXECDIR:/bin:/usr/bin:$PATH; export PATH
umask 077 # protect temp files
: ${TMPDIR:=/var/tmp}; export TMPDIR
test -d "$TMPDIR" || TMPDIR=/var/tmp
: ${TMPDIR:=/tmp}; export TMPDIR
test -d "$TMPDIR" || TMPDIR=/tmp
if ! TMPDIR=`mktemp -d $TMPDIR/mklocateXXXXXX`; then
exit 1
fi
# utilities to built locate database
: ${bigram:=locate.bigram}
@ -50,23 +53,41 @@ test -d "$TMPDIR" || TMPDIR=/var/tmp
sortopt="-u -T $TMPDIR"
sortcmd=$sort
# Input already sorted
case X"$1" in
X-nosort|X-presort) sortcmd=cat; sortopt=;shift;;
esac
bigrams=$TMPDIR/_mklocatedb$$.bigrams
filelist=$TMPDIR/_mklocatedb$$.list
trap 'rm -f $bigrams $filelist' 0 1 2 3 5 10 15
trap 'rm -f $bigrams $filelist; rmdir $TMPDIR' 0 1 2 3 5 10 15
if $sortcmd $sortopt > $filelist; then
$bigram < $filelist | $sort -nr |
awk 'NR <= 128 { printf $2 }' > $bigrams &&
$code $bigrams < $filelist
# Input already sorted
if [ X"$1" = "X-presort" ]; then
shift;
# create an empty file
true > $bigrams
# Locate database bootstrapping
# 1. first build a temp database without bigram compression
# 2. create the bigram from the temp database
# 3. create the real locate database with bigram compression.
#
# This scheme avoid large temporary files in /tmp
$code $bigrams > $filelist || exit 1
locate -d $filelist / | $bigram | $sort -nr | head -128 |
perl -ne '/^\s*[0-9]+\s(..)$/ && print $1 || exit 1' > $bigrams || exit 1
locate -d $filelist / | $code $bigrams || exit 1
exit
else
if $sortcmd $sortopt > $filelist; then
$bigram < $filelist | $sort -nr |
perl -ne '/^\s*[0-9]+\s(..)$/ && print $1 || exit 1' > $bigrams
|| exit 1
$code $bigrams < $filelist || exit 1
else
echo "`basename $0`: cannot build locate database" >&2
exit 1
fi
fi