File: lines_per_pkg

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node-stdlib 0.0.96%2Bds1%2B~cs0.0.429-2
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#!/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 lines in a package.
#
# <package_path> <number_of_lines>
#
# Notes:
#
# -   Results should NOT be confused with source lines of code (SLOC). This implementation measures absolute file length.

# 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 lines...
for pkg in ${pkgs}; do
	# * `find_files`
	#   - Find package files.
	# * `xargs wc -l`
	#   - Compute the number of lines within each file.
	# * `awk '{}'`
	#   - Extract the total number of lines.
	FILES_PATTERN="${FILES_PATTERN}" FILES_FILTER="$pkg/.*" "${find_files}" | xargs wc -l | awk -v pkg="$pkg" '
$2 ~ /^total$/ {
	print pkg OFS $1
}
{
	next
}
'
done