1 files changed, 54 insertions, 0 deletions
diff --git a/compute-tree-size-stats.sh b/compute-tree-size-stats.sh
new file mode 100755
index 0000000..62bbb44
--- /dev/null
+++ b/compute-tree-size-stats.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+## SPDX-License-Identifier: CC0-1.0
+##
+## Copyright (C) 2025 Woj. Kosior <koszko@koszko.org>
+
+set -e
+
+RESULTS_PATH="$1"
+
+if [ "$2" = "--omit-packages-with-breaking-changes" ]; then
+    BAD_ROW_REG="n/a|BC-yes"
+else
+    BAD_ROW_REG="n/a"
+fi
+
+printf "DESCRIPTION"
+for MEASURE_TYPE in $(./helper.sh --get-measure-types); do
+    for AGGREGATION in MIN MAX AVG STD_DEV; do
+        printf ',%s-%s' "$MEASURE_TYPE" "$AGGREGATION"
+    done
+done
+
+echo
+
+for TREE_KIND in $(./helper.sh --get-tree-kinds); do
+    printf %s "$TREE_KIND" | ./helper.sh --make-tree-kind-description
+    for MEASURE_TYPE in $(./helper.sh --get-measure-types); do
+        COL_NAME="$TREE_KIND-$MEASURE_TYPE"
+        ./helper.sh --get-csv-columns \
+                    "$RESULTS_PATH" "$COL_NAME" BREAKING-CHANGES |
+            grep -vE "$BAD_ROW_REG" | tail -n +2 | awk -F '[-,]' '
+                BEGIN {
+                    min = 999999;
+                }
+                // {
+                    count += 1;
+                    sum += $2;
+                    squares_sum += ($2)^2;
+                    if ($2 > max) {
+                        max = $2;
+                    }
+                    if ($2 < min) {
+                        min = $2;
+                    }
+                }
+                END {
+                    std_dev = sqrt((squares_sum - sum^2 / count) / count);
+                    printf ",%d,%d,%.1f,%.1f", min, max, (sum / count), std_dev;
+                }
+            '
+    done
+    echo
+done