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  1. #!/bin/bash
  2.  
  3. # ── 收集傳入的圖片路徑 ──────────────────────────────────────
  4. FILES=("$@")
  5.  
  6. if [ ${#FILES[@]} -eq 0 ]; then
  7.   # 直接雙擊啟動時，開啟選檔視窗
  8.   SELECTED=$(osascript <<'EOF'
  9. set chosen to choose file with prompt "選擇要轉換的圖片（可多選）：" of type {"public.png", "public.jpeg"} with multiple selections allowed
  10. set filePaths to ""
  11. repeat with f in chosen
  12.   set filePaths to filePaths & POSIX path of f & linefeed
  13. end repeat
  14. return filePaths
  15. EOF
  16. )
  17.   if [ $? -ne 0 ] || [ -z "$SELECTED" ]; then
  18.     exit 0
  19.   fi
  20.   # 將選取的路徑轉成陣列
  21.   while IFS= read -r line; do
  22.     [ -n "$line" ] && FILES+=("$line")
  23.   done <<< "$SELECTED"
  24. fi
  25.  
  26. # ── 用 AppleScript 顯示設定對話框 ──────────────────────────
  27. SETTINGS=$(osascript <<'EOF'
  28. set dialogResult to {}
  29.  
  30. -- 1. 寬度輸入
  31. set widthInput to text returned of (display dialog "輸入輸出寬度（像素）：
  32. 留空 = 不限制寬度" default answer "1920" with title "批次圖片轉換工具" buttons {"取消", "下一步"} default button "下一步")
  33. if widthInput is "" then set widthInput to "0"
  34.  
  35. -- 2. 高度輸入  
  36. set heightInput to text returned of (display dialog "輸入輸出高度（像素）：
  37. 留空 = 不限制高度" default answer "" with title "批次圖片轉換工具" buttons {"取消", "下一步"} default button "下一步")
  38. if heightInput is "" then set heightInput to "0"
  39.  
  40. -- 3. 等比例縮放
  41. set scaleChoice to button returned of (display dialog "縮放方式：
  42. - 等比例：依寬度等比換算高度（推薦）
  43. - 強制尺寸：強制裁切為指定長寬" with title "批次圖片轉換工具" buttons {"強制尺寸", "等比例"} default button "等比例")
  44.  
  45. -- 4. 壓縮品質
  46. set qualityInput to text returned of (display dialog "輸出品質（1–100）：
  47. 100 = 最高品質，70 = 一般，50 = 較小檔案" default answer "85" with title "批次圖片轉換工具" buttons {"取消", "下一步"} default button "下一步")
  48.  
  49. -- 5. 輸出格式
  50. set formatChoice to button returned of (display dialog "輸出格式：" with title "批次圖片轉換工具" buttons {"PNG", "JPG"} default button "JPG")
  51.  
  52. -- 6. 輸出目錄
  53. set outputFolder to POSIX path of (choose folder with prompt "選擇輸出目錄：")
  54.  
  55. -- 回傳所有設定（用 | 分隔）
  56. return widthInput & "|" & heightInput & "|" & scaleChoice & "|" & qualityInput & "|" & formatChoice & "|" & outputFolder
  57. EOF
  58. )
  59.  
  60. # 檢查使用者是否取消
  61. if [ $? -ne 0 ]; then
  62.   exit 0
  63. fi
  64.  
  65. # ── 解析設定值 ──────────────────────────────────────────────
  66. IFS='|' read -r WIDTH HEIGHT SCALE_MODE QUALITY FORMAT OUTPUT_DIR <<< "$SETTINGS"
  67.  
  68. # 清理路徑結尾斜線
  69. OUTPUT_DIR="${OUTPUT_DIR%/}"
  70.  
  71. # 確保輸出目錄存在
  72. mkdir -p "$OUTPUT_DIR"
  73.  
  74. # 格式轉小寫
  75. FORMAT_LOWER=$(echo "$FORMAT" | tr '[:upper:]' '[:lower:]')
  76. if [ "$FORMAT_LOWER" = "jpg" ]; then
  77.   SIPS_FORMAT="jpeg"
  78.   EXT="jpg"
  79. else
  80.   SIPS_FORMAT="png"
  81.   EXT="png"
  82. fi
  83.  
  84. # ── 批次處理每張圖片 ────────────────────────────────────────
  85. SUCCESS=0
  86. FAIL=0
  87. ERRORS=""
  88.  
  89. for FILE in "${FILES[@]}"; do
  90.   # 只處理 PNG / JPG
  91.   LOWER=$(echo "$FILE" | tr '[:upper:]' '[:lower:]')
  92.   if [[ "$LOWER" != *.png && "$LOWER" != *.jpg && "$LOWER" != *.jpeg ]]; then
  93.     FAIL=$((FAIL + 1))
  94.     ERRORS="$ERRORS\n• $(basename "$FILE")（不支援的格式）"
  95.     continue
  96.   fi
  97.  
  98.   # 產生輸出檔名（去除原副檔名，加上新副檔名）
  99.   BASENAME=$(basename "$FILE")
  100.   NOEXT="${BASENAME%.*}"
  101.   OUTFILE="$OUTPUT_DIR/${NOEXT}.${EXT}"
  102.  
  103.   # 避免覆蓋同名檔案
  104.   COUNTER=1
  105.   while [ -f "$OUTFILE" ]; do
  106.     OUTFILE="$OUTPUT_DIR/${NOEXT}_${COUNTER}.${EXT}"
  107.     COUNTER=$((COUNTER + 1))
  108.   done
  109.  
  110.   # 先複製到輸出路徑，再用 sips 處理
  111.   cp "$FILE" "$OUTFILE"
  112.  
  113.   # 建立 sips 指令
  114.   SIPS_CMD="sips"
  115.  
  116.   # 格式轉換
  117.   SIPS_CMD="$SIPS_CMD -s format $SIPS_FORMAT"
  118.  
  119.   # 壓縮品質（僅 JPEG 有效，sips 接受整數 0–100）
  120.   if [ "$SIPS_FORMAT" = "jpeg" ] && [ -n "$QUALITY" ]; then
  121.     SIPS_CMD="$SIPS_CMD -s formatOptions $QUALITY"
  122.   fi
  123.  
  124.   # 縮放處理
  125.   if [ "$SCALE_MODE" = "等比例" ]; then
  126.     if [ "$WIDTH" != "0" ] && [ -n "$WIDTH" ]; then
  127.       SIPS_CMD="$SIPS_CMD --resampleWidth $WIDTH"
  128.     elif [ "$HEIGHT" != "0" ] && [ -n "$HEIGHT" ]; then
  129.       SIPS_CMD="$SIPS_CMD --resampleHeight $HEIGHT"
  130.     fi
  131.   else
  132.     # 強制尺寸（需要寬高都有值才執行）
  133.     if [ "$WIDTH" != "0" ] && [ "$HEIGHT" != "0" ] && [ -n "$WIDTH" ] && [ -n "$HEIGHT" ]; then
  134.       SIPS_CMD="$SIPS_CMD --resampleHeightWidth $HEIGHT $WIDTH"
  135.     elif [ "$WIDTH" != "0" ] && [ -n "$WIDTH" ]; then
  136.       SIPS_CMD="$SIPS_CMD --resampleWidth $WIDTH"
  137.     elif [ "$HEIGHT" != "0" ] && [ -n "$HEIGHT" ]; then
  138.       SIPS_CMD="$SIPS_CMD --resampleHeight $HEIGHT"
  139.     fi
  140.   fi
  141.  
  142.   SIPS_CMD="$SIPS_CMD \"$OUTFILE\""
  143.  
  144.   # 執行轉換
  145.   if eval $SIPS_CMD 2>/dev/null; then
  146.     SUCCESS=$((SUCCESS + 1))
  147.   else
  148.     FAIL=$((FAIL + 1))
  149.     ERRORS="$ERRORS\n• $(basename "$FILE")（轉換失敗）"
  150.     rm -f "$OUTFILE"
  151.   fi
  152. done
  153.  
  154. # ── 顯示完成通知 ─────────────────────────────────────────────
  155. SUMMARY="✅ 成功轉換：$SUCCESS 張\n❌ 失敗：$FAIL 張"
  156. if [ -n "$ERRORS" ]; then
  157.   SUMMARY="$SUMMARY\n\n失敗檔案：$ERRORS"
  158. fi
  159.  
  160. BUTTON=$(osascript -e "display dialog \"$SUMMARY\" with title \"批次轉換完成\" buttons {\"開啟輸出目錄\", \"關閉\"} default button \"關閉\"" 2>/dev/null)
  161. if [[ "$BUTTON" == *"開啟輸出目錄"* ]]; then
  162.   open "$OUTPUT_DIR"
  163. fi
Success #stdin #stdout #stderr 0.01s 5288KB
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./prog.sh: line 16: osascript: command not found
https://ideone.com/Wv5X8E
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language:
Bash (bash 5.0.3)
created:
1 day ago
visibility:
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