diff options
author | wosch <wosch@FreeBSD.org> | 1998-11-29 00:59:20 +0000 |
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committer | wosch <wosch@FreeBSD.org> | 1998-11-29 00:59:20 +0000 |
commit | 27d1e786a6ca43fc31f18c92dd88c015e2bb8287 (patch) | |
tree | b653c716c3b55f731ac37d5acb08576c8b1bff54 /usr.bin/locate | |
parent | f14200ee157f11159e7185797902af3175ce0369 (diff) | |
download | FreeBSD-src-27d1e786a6ca43fc31f18c92dd88c015e2bb8287.zip FreeBSD-src-27d1e786a6ca43fc31f18c92dd88c015e2bb8287.tar.gz |
Set TMPDIR to /tmp
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.
Diffstat (limited to 'usr.bin/locate')
-rw-r--r-- | usr.bin/locate/locate/mklocatedb.sh | 49 |
1 files changed, 35 insertions, 14 deletions
diff --git a/usr.bin/locate/locate/mklocatedb.sh b/usr.bin/locate/locate/mklocatedb.sh index 1268a06..864760e 100644 --- a/usr.bin/locate/locate/mklocatedb.sh +++ b/usr.bin/locate/locate/mklocatedb.sh @@ -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 |