# Copyright (c) 1989, 1993
# The Regents of the University of California. All rights reserved.
# This code is derived from software contributed to Berkeley by
# %sccs.include.redist.sh%
# @(#)updatedb.csh 8.1 (Berkeley) %G%
set SRCHPATHS
= "/" # directories to be put in the database
set LIBDIR
= /usr
/libexec
# for subprograms
if (! $?TMPDIR
) set TMPDIR
= /var
/tmp
# for temp files
set FCODES
= /var
/db
/locate.database
# the database
set path
= ( /bin
/usr
/bin
)
set bigrams
= $TMPDIR/locate.bigrams.$$
set filelist
= $TMPDIR/locate.list.$$
set errs
= $TMPDIR/locate.errs.$$
# Make a file list and compute common bigrams.
# Alphabetize '/' before any other char with 'tr'.
# If the system is very short of sort space, 'bigram' can be made
# smarter to accumulate common bigrams directly without sorting
# ('awk', with its associative memory capacity, can do this in several
# lines, but is too slow, and runs out of string space on small machines).
# search locally or everything
# find ${SRCHPATHS} -print | \
find ${SRCHPATHS} \
! -fstype local -prune -or -print | \
(sort -T /var
/tmp
-f; echo $status > $errs) |
tr '\001' '/' > $filelist
$LIBDIR/locate.bigram
< $filelist | \
(sort -T /var
/tmp
; echo $status >> $errs) | \
uniq -c |
sort -T /var
/tmp
-nr | \
awk '{ if (NR <= 128) print $2 }' |
tr -d '\012' > $bigrams
if { grep -s -v 0 $errs } then
printf 'locate: updatedb failed\n\n'
$LIBDIR/locate.code
$bigrams < $filelist > $FCODES
rm $bigrams $filelist $errs