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#!/usr/bin/ksh93
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
#
#
# simplefiletree1 - build a simple file tree
#
# Solaris needs /usr/xpg6/bin:/usr/xpg4/bin because the tools in /usr/bin are not POSIX-conformant
export PATH=/usr/xpg6/bin:/usr/xpg4/bin:/bin:/usr/bin
# Make sure all math stuff runs in the "C" locale to avoid problems
# with alternative # radix point representations (e.g. ',' instead of
# '.' in de_DE.*-locales). This needs to be set _before_ any
# floating-point constants are defined in this script).
if [[ "${LC_ALL}" != "" ]] ; then
export \
LC_MONETARY="${LC_ALL}" \
LC_MESSAGES="${LC_ALL}" \
LC_COLLATE="${LC_ALL}" \
LC_CTYPE="${LC_ALL}"
unset LC_ALL
fi
export LC_NUMERIC=C
function add_file_to_tree
{
typeset treename=$1
typeset filename=$2
integer i
typeset nodepath # full name of compound variable
typeset -a pe # path elements
# first built an array containing the names of each path element
# (e.g. "foo/var/baz"" results in an array containing "( 'foo' 'bar' 'baz' )")
typeset IFS='/'
pe+=( ${filename} )
[[ ${pe[0]} == '' ]] && pe[0]='/'
# walk path described via the "pe" array and build nodes if
# there aren't any nodes yet
nodepath="${treename}"
for (( i=0 ; i < (${#pe[@]}-1) ; i++ )) ; do
nameref x="${nodepath}"
# [[ -v ]] does not work for arrays because [[ -v ar ]]
# is equal to [[ -v ar[0] ]]. In this case we can
# use the output of typeset +p x.nodes
[[ "${ typeset +p x.nodes ; }" == "" ]] && compound -A x.nodes
nodepath+=".nodes[${pe[i]}]"
done
# insert element
nameref node="${nodepath}"
[[ "${ typeset +p node.elements ; }" == "" ]] && typeset -a node.elements
node.elements+=( "${pe[i]}" )
return 0
}
# main
builtin rev
# tree base
compound filetree
# benchmark data
compound bench=(
float start
float stop
)
typeset i
# argument prechecks
if (( $# == 0 )) ; then
print -u2 -f "%s: Missing <path> argument." "$0"
exit 1
fi
print -u2 "# reading file names"
while (( $# > 0 )) ; do
IFS=$'\n' ; typeset -a filenames=( $(find "$1" -type f) ) ; IFS=$' \t\n'
shift
done
print -u2 "# building tree..."
(( bench.start=SECONDS ))
for ((i=0 ; i < ${#filenames[@]} ; i++ )) ; do
add_file_to_tree filetree "${filenames[i]}"
done
(( bench.stop=SECONDS ))
# print benchmark data
print -u2 -f "# time used: %f\n" $((bench.stop - bench.start))
# print tree
print -v filetree
exit 0
# EOF.
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