1 #! /bin/
bash
2
3
4 #BASE_DIR=
"/Users/jiading/Documents/basepng";
5 #OUTPUT_DIR=
"/Users/jiading/Documents/output";
6 BASE_DIR=
"/Users/jiading/Documents/SwordsmanApp/art/序列帧动画/实验-分段版/9_选择迷你板固定";
7 OUTPUT_DIR=
"/Users/jiading/Documents/SwordsmanApp/art/序列帧动画/实验-分段版output最强压缩9";
8
9 CUR_READ_DIR=
"";
10 CUR_WRITE_DIR=
"";
11
12
13 dopng(){
14
15 readPng=$
1;
16 writePng=$
2;
17 fileName=$
3;
18 fileName=${fileName%.*}
".png";
19 echo
"图片: "$fileName;
20
21 #speed
1-
11
22
23 sudo /Applications/ImageAlpha.app/Contents/MacOS/pngquant -f $readPng -o $writePng
"/$fileName" --quality
10 --speed
1 --nofs --posterize
0
24
25
26 }
27
28
29 loopDir(){
30
31 #
1 进入当前读取目录
32 cd $
1;
33
34 for file
in *
;
35 do
36
37 localReadDir=$
1;
38 localWriteDir=$
2;
39
40
41 if [ -
d $file ];then
42 echo $file
" is a dir";
43
44 #
2 进入一个目录
45 CUR_WRITE_DIR=$localWriteDir
"/$file"
46
47 #
3 创建对应新目录
48 echo
"创建目录："$CUR_WRITE_DIR;
49 mkdir $CUR_WRITE_DIR
50
51 #
4 进入下一级遍历
52 loopDir $localReadDir
"/$file" $localWriteDir
"/$file"
53
54 #
5 下一级遍历完之后回到当前目录
55 cd $
1;
56
57 elif [ -
f $file ];then
58
59
60 dopng $localReadDir
"/$file" $localWriteDir
"$file"
61
62 fi
63
64 done
65
66 }
67
68 main(){
69
70 #
1,删掉旧目录
71 if [ -
d $OUTPUT_DIR ];then
72 echo
"ouput目录已存在，立马删除";
73 rm -
rf $OUTPUT_DIR
74 fi
75
76 #
2,创建output跟目录
77 mkdir $OUTPUT_DIR
78
79
80 #
3,开始遍历读取
81 CUR_READ_DIR=
$BASE_DIR
82 CUR_WRITE_DIR=
$OUTPUT_DIR
83 loopDir $CUR_READ_DIR $CUR_WRITE_DIR
84
85 echo
"=-=-=-压缩完成=-=-=-="
86 }
87
88 main
转载于:https://www.cnblogs.com/JD85/p/4968938.html
相关资源：macos 苹果电脑中使用shell脚本,批量几乎无损压缩图片.
