提取圖片指令碼

#! /bin/sh
#date:Tue Oct 23 11:05:26 CST 2012
#author:robson
#作用：將所有圖片替換為指定圖片，圖片名稱保持不變。
source="/local/codes/rav4-final/packages/apps/Phone/res/drawable-xhdpi/"
des="/local/codes/rav4-final/rav4_wimdata_ng/wcustores/Theme/com.android.phone_new/res/drawable-xhdpi/"
cd /local/codes/rav4-final/rav4_wimdata_ng/wcustores/Theme/com.android.phone\ \(2\)/res/drawable-xhdpi/
ls *.png > out.txt
lines=`grep -c "" out.txt`
i=1
while [ $i -le $lines ] ; do
    echo $i
    str=`sed -n "${i}p" out.txt`   #這裡用"{}"來取變數的值，一般都是用""來取指定行,用"n,m"指定從n到m行,p為列印。
        echo $str
    cp $source$str $des
    i=$(($i+1))
done