Find Unused Images in Xcode Projects

unused_image.sh

#!/bin/sh
echo $1
FINDING_PATH=$1
if [ -z "$FINDING_PATH" ]
then
    echo "FINDING_PATH is empty, will use current path"
    FINDING_PATH='.'
fi

# PROJ=`find $FINDING_PATH -name '*.[xib|h|m]' -o -name '*.[mh]'`
PROJ=`find $FINDING_PATH -name "*.png" -o -name "*.jpg" -o -name "*.[hm]"`

#
# 1. 找出所有的可能用到了图片名字的文件名
# 2. 找出所有的png
# 3. 如果png在xxx.imageset文件夹下面 则处理提取出xxx 然后继续下一步
#    如果不属于*.imageset则直接进行下一步
# 4. 用图片名匹配第一步查找出的文件的内容
#

for png in `find $FINDING_PATH -name '*.png'`
do
    maybe_imageset_dirname=`dirname $png`
    maybe_imageset_ext="${maybe_imageset_dirname##*.}"
    if [ "$maybe_imageset_ext" = "imageset" ]; then
      temp=`basename $maybe_imageset_dirname`  # 消除路径
      temp2="${temp%.*}"                       # 消除后缀
      name=$temp2
    else
      name=`basename $png`
    fi

    if ! grep -qhs "${name}" "$PROJ"; then
        echo "\n$png is not referenced\n
        $name
        "
    fi
done