Add script to compute number of bytes per package

kgryte · kgryte · commit c3a2ba8400f9 · 2017-10-09T21:38:33.000-07:00
diff --git a/tools/git/scripts/bytes_per_pkg b/tools/git/scripts/bytes_per_pkg
@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+#
+# 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
