Mac Software Storage Cleanup Cn

#!/usr/bin/env bash
set -euo pipefail

size_kb() {
  local p="$1"
  if [ -d "$p" ]; then
    local out
    out="$(du -sk "$p" 2>/dev/null || true)"
    if [ -n "$out" ]; then
      awk 'NR==1 {print $1+0}' <<<"$out"
    else
      echo 0
    fi
  else
    echo 0
  fi
}

human() {
  local kb="${1:-0}"
  awk -v kb="$kb" 'BEGIN {
    if (kb >= 1048576) printf "%.2f GB", kb/1048576;
    else if (kb >= 1024) printf "%.2f MB", kb/1024;
    else printf "%d KB", kb;
  }'
}

CACHES="$HOME/Library/Caches"
CORESIM="$HOME/Library/Developer/CoreSimulator"

before_caches=$(size_kb "$CACHES")
before_sim=$(size_kb "$CORESIM")

[ -d "$CACHES" ] && find "$CACHES" -mindepth 1 -maxdepth 1 -exec rm -rf {} + 2>/dev/null || true
[ -d "$CORESIM" ] && find "$CORESIM" -mindepth 1 -maxdepth 1 -exec rm -rf {} + 2>/dev/null || true

after_caches=$(size_kb "$CACHES")
after_sim=$(size_kb "$CORESIM")

before_total=$((before_caches + before_sim))
after_total=$((after_caches + after_sim))
freed=$((before_total - after_total))

echo "Caches: $(human "$before_caches") -> $(human "$after_caches")"
echo "CoreSimulator: $(human "$before_sim") -> $(human "$after_sim")"
echo "Total: $(human "$before_total") -> $(human "$after_total")"
echo "Freed: $(human "$freed")"

#!/usr/bin/env bash
set -euo pipefail

TARGET="${1:-$HOME/Library/Application Support}"
LIMIT="${2:-30}"

if [ ! -d "$TARGET" ]; then
  echo "目录不存在: $TARGET"
  exit 1
fi

echo "Priority 2 候选目录（默认只读，不删除）"
echo "扫描目录: $TARGET"
echo "Top $LIMIT"
echo

# 仅输出一级子目录，避免误伤；排序后便于人工确认
find "$TARGET" -mindepth 1 -maxdepth 1 -print0 |
  while IFS= read -r -d '' p; do
    out="$(du -sk "$p" 2>/dev/null || true)"
    if [ -n "$out" ]; then
      awk -F'\t' 'NR==1 {print $1"\t"$2}' <<<"$out"
    fi
  done |
  sort -nr |
  awk -F'\t' -v limit="$LIMIT" '
  function human(kb){
    if (kb >= 1048576) return sprintf("%.2f GB", kb/1048576)
    if (kb >= 1024) return sprintf("%.2f MB", kb/1024)
    return sprintf("%d KB", kb)
  }
  NR <= limit { printf "%s\t%s\n", human($1), $2 }
  '

echo
echo "提示: 优先级2目录通常包含应用业务数据，删除前需逐项确认。"

#!/usr/bin/env bash
set -euo pipefail

OUT="${1:-$HOME/software_sizes_report_$(date +%F).txt}"

humanize_kb() {
  awk -F'\t' '
  function human(kb){
    if (kb >= 1048576) return sprintf("%.2f GB", kb/1048576)
    if (kb >= 1024) return sprintf("%.2f MB", kb/1024)
    return sprintf("%d KB", kb)
  }
  { printf "%s\t%s\n", human($1), $2 }
  '
}

collect_dir() {
  local dir="$1"
  if [ -d "$dir" ]; then
    find "$dir" -maxdepth 1 -mindepth 1 ! -name '.DS_Store' ! -name '.localized' -print0 |
      while IFS= read -r -d '' p; do
        du -sk "$p" 2>/dev/null | awk -F'\t' '{print $1"\t"$2}'
      done | sort -nr
  fi
}

{
  echo "软件占用大小报告"
  echo "生成时间: $(date '+%Y-%m-%d %H:%M:%S %Z')"
  echo

  echo "=== /Applications ==="
  collect_dir "/Applications" | humanize_kb
  echo

  echo "=== ~/Applications ==="
  collect_dir "$HOME/Applications" | humanize_kb
  echo

  if command -v brew >/dev/null 2>&1; then
    BREW_PREFIX=$(brew --prefix)
    if [ -d "$BREW_PREFIX/Cellar" ]; then
      echo "=== Homebrew Formula (Cellar) ==="
      collect_dir "$BREW_PREFIX/Cellar" | humanize_kb
      echo
    fi

    if [ -d "$BREW_PREFIX/Caskroom" ]; then
      echo "=== Homebrew Cask (Caskroom) ==="
      collect_dir "$BREW_PREFIX/Caskroom" | humanize_kb
      echo
    fi
  fi
} > "$OUT"

echo "$OUT"