From bc1dcd303f5c2ef95fd65f6e797c7b99607ca281 Mon Sep 17 00:00:00 2001
From: Duncan Calvert <dcalvert@ihmc.org>
Date: Sat, 23 Nov 2024 13:06:37 -0600
Subject: [PATCH] Convert to bash.

---
 .tools/list-lfs-by-size.py | 37 -------------------------------------
 .tools/list_lfs_by_size.sh | 29 +++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 37 deletions(-)
 delete mode 100644 .tools/list-lfs-by-size.py
 create mode 100755 .tools/list_lfs_by_size.sh

diff --git a/.tools/list-lfs-by-size.py b/.tools/list-lfs-by-size.py
deleted file mode 100644
index aea40a2..0000000
--- a/.tools/list-lfs-by-size.py
+++ /dev/null
@@ -1,37 +0,0 @@
-import re
-import subprocess
-
-# Get the output of the git lfs ls-files -s command
-def get_lfs_files():
-    result = subprocess.run(['git', 'lfs', 'ls-files', '-s'], capture_output=True, text=True)
-    return result.stdout.strip().split('\n')
-
-# Convert human-readable sizes to bytes
-def size_to_bytes(size_str):
-    size, unit = size_str.split()
-    size = float(size)
-    if unit == 'KB':
-        return int(size * 1024)
-    elif unit == 'MB':
-        return int(size * 1024 * 1024)
-    elif unit == 'GB':
-        return int(size * 1024 * 1024 * 1024)
-    return int(size)
-
-# Parse the LFS output and sort by size
-lfs_files = get_lfs_files()
-file_info = []
-for line in lfs_files:
-    match = re.search(r'(.*) \((.*?)\)$', line)
-    if match:
-        file_path = match.group(1)
-        size_str = match.group(2)
-        size_bytes = size_to_bytes(size_str)
-        file_info.append((size_bytes, file_path, size_str))
-
-# Sort the files by size (largest first)
-file_info.sort(key=lambda x: x[0], reverse=True)
-
-# Print the sorted list
-for size_bytes, file_path, size_str in file_info:
-    print(f"{file_path} ({size_str})")
diff --git a/.tools/list_lfs_by_size.sh b/.tools/list_lfs_by_size.sh
new file mode 100755
index 0000000..fe13899
--- /dev/null
+++ b/.tools/list_lfs_by_size.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+# Function to convert human-readable sizes to bytes
+size_to_bytes() {
+    local size=$(echo $1 | cut -d' ' -f1)
+    local unit=$(echo $1 | cut -d' ' -f2)
+    size=${size%.*} # Remove decimal part
+    case $unit in
+        KB) echo $((size * 1024)) ;;
+        MB) echo $((size * 1024 * 1024)) ;;
+        GB) echo $((size * 1024 * 1024 * 1024)) ;;
+        *) echo $size ;;
+    esac
+}
+
+# Get LFS files, convert sizes to bytes, sort, and print
+git lfs ls-files -s |
+while IFS= read -r line; do
+    if [[ $line =~ (.*)\((.*)\)$ ]]; then
+        file_path="${BASH_REMATCH[1]}"
+        size_str="${BASH_REMATCH[2]}"
+        size_bytes=$(size_to_bytes "$size_str")
+        printf "%020d|%s|%s\n" "$size_bytes" "$file_path" "$size_str"
+    fi
+done |
+sort -r |
+while IFS='|' read -r size_bytes file_path size_str; do
+    echo "${file_path}(${size_str})"
+done