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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 approximate number of library packages per year.
#
# <year> <num_pkgs>
# Determine root directory:
root="$(git rev-parse --show-toplevel)"
# Define the path to a utility to find when `package.json` files were added and deleted:
pkg_json="${root}/tools/git/scripts/pkg_json_added_deleted"
# * `pkg_json`
# - `package.json` additions and deletions.
# * `awk '{}'`
# - Tabulate the yearly totals.
# * `sort -k1n`
# - Sort the year numerically.
# * `awk '{}'`
# - Format the output.
"${pkg_json}" | awk '
{
yr = $5
}
# Skip non-library `package.json`:
$9 !~ /lib\/node_modules\/\@stdlib\// {
next
}
# Skip "tools" `package.json`:
$9 ~ /\/_tools\// {
next
}
# Added a `package.json`:
$8 == "A" {
pkgs[yr] += 1
}
# Deleted a `package.json`:
$8 == "D" {
pkgs[yr] -= 1
}
END {
for (yr in pkgs) {
print yr OFS pkgs[yr]
}
}
' | sort -k1n | awk '{print $1 OFS $2}'
|
