#!/usr/bin/env bash

#

# @license Apache-2.0

#

# Copyright (c) 2017 The Stdlib Authors.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

# Prints the number of bytes in a package.

#

# <package_path> <number_of_bytes>

# Determine root directory:

root="$(git rev-parse --show-toplevel)"

# Define the path to a utility to list packages:

find_pkgs="${root}/tools/scripts/find_packages"

# Define the path to a utility to list files:

find_files="${root}/tools/scripts/find_files"

# Get a list of packages:

pkgs="$(PACKAGES_FILTER=${PACKAGES_FILTER} ${find_pkgs})"

# For each package, determine the number of bytes...

for pkg in ${pkgs}; do

# * `find_files`

# - Find package files.

# * `ls -l`

# - Print file info, which includes number of bytes.

# * `awk '{}'`

# - Compute statistics and print results.

FILES_PATTERN="${FILES_PATTERN}" FILES_FILTER="$pkg/.*" "${find_files}" | xargs ls -l | awk -v pkg="$pkg" '

{

bytes += $5 # number of bytes

}

END {

print pkg OFS bytes

}'

done