找出iOS代码工程里没有用到的图片

Find_Unused_Pic_In_iOS_Project.sh

#! /bin/bash

#clear file content
echo '' > /tmp/png.txt
echo '' > /tmp/str.txt

#find all png image
for file in `find ./ -iname "*.png"`; do
    result=`echo ${file} | grep -o "\.xcassets.*"`
    if [[ ${result} == "" ]]
    then
        name=`echo "${file}" | grep -o "[^\/]*.png" | grep -o "[^\.@]*"`
        echo "${name}" >> /tmp/png.txt
    fi
done
sort -u /tmp/png.txt -o /tmp/png.txt

#find all string in .m .mm
for file in `find ./ -iname "*.m"`; do
	if [ -r "${file}" ]
	then
		cat "${file}" | grep -o "\"[^\"]*\"" | tr -d '"' | grep -o "[^\.@]*" >> /tmp/str.txt
	fi
done

for file in `find ./ -iname "*.mm"`; do
	if [ -r "${file}" ]
	then
		cat "${file}" | grep -o "\"[^\"]*\"" | tr -d '"' | grep -o "[^\.@]*" >> /tmp/str.txt
	fi
done

#find all image used in .xib .stroryboard
for file in `find ./ -iname "*.xib"`;do
    if [ -r "${file}" ]
    then
        cat "${file}" | grep -o "image name=\"[^\"]*\"" | grep -o "\"[^\"]*\"" | tr -d '"' | grep -o "[^\.@]*" >> /tmp/str.txt
    fi
done

for file in `find ./ -iname "*.storyboard"`;do
    if [ -r "${file}" ]
    then
        cat "${file}" | grep -o "image name=\"[^\"]*\"" | grep -o "\"[^\"]*\"" | tr -d '"' | grep -o "[^\.@]*" >> /tmp/str.txt
    fi
done

sort -u  /tmp/str.txt -o /tmp/str.txt

#find string in png.txt but not in str.txt
awk  'NR==FNR{a[$0]}NR>FNR{ if(!($1 in a)) print $0}' /tmp/str.txt /tmp/png.txt

#remove file
rm  /tmp/str.txt /tmp/png.txt