├── README.md
└── unused-image.sh


/README.md:
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 1 | # unsed-image
 2 | 
 3 | This shell script is used to check and clean unused image file in your project  directory，supoort Android and IOS. 
 4 | 
 5 | ## show unused image file
 6 | 
 7 |     ./unused-image.sh -p /path/of/your/project
 8 | 
 9 | 
10 | ## show and clean unused image file
11 | 
12 |     ./unused-image.sh -r -p /path/of/your/project
13 | 


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/unused-image.sh:
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 1 | #!/bin/sh
 2 | 
 3 | PROGNAME=$(basename "$0")
 4 | PROGDIR=$(dirname "$0")
 5 | 
 6 | usage()
 7 | {
 8 | 	echo "Usage: $PROGNAME  [option]  -p path-of-project"
 9 | 	echo ""
10 | 	echo "-p          Specifyed the path of your project"
11 | 	echo "-r          Remove unused image file"
12 | 	echo "-h          Show this message"
13 | 
14 | 	exit 1
15 | }
16 | 
17 | PRJ_ROOT=$1
18 | REMOVE=false
19 | COUNT=0
20 | 
21 | 
22 | while getopts ":rp:" optname
23 |   do
24 |     case "$optname" in
25 |       "p")
26 |         PRJ_ROOT=$OPTARG  # specifyed the project root
27 |         ;;
28 |       "r")
29 |         REMOVE=true		  # remove unused image resource
30 |         ;;
31 |       "?")
32 |         usage
33 |         ;;
34 |       ":")
35 |         echo "No argument value for option $OPTARG"
36 |         ;;
37 |       *)
38 |       # Should not occur
39 |         echo "Unknown error while processing options"
40 |         ;;
41 |     esac
42 |     #echo "OPTIND is now $OPTIND"
43 | done
44 | 
45 | 
46 | check_files=`find $PRJ_ROOT -name '*.xib' -o -name '*.storyboard' -o -name '*.[mh]'  -o -name '*.pch' -o -name '*.java' -o -name '*.xml'`
47 | 
48 | for png in `find $PRJ_ROOT -name '*.png'`
49 | do
50 |     match_name=`basename $png`
51 | 
52 |     suffix1="@2x.png"
53 |     suffix2=".9.png"
54 |     suffix3=".png"
55 |     suffix4="@3x.png"
56 | 
57 |     if [[ ${match_name/${suffix1}//} != $match_name ]]; then
58 |       match_name=${match_name%$suffix1}
59 |     elif [[ ${match_name/${suffix4}//} != $match_name ]]; then
60 |    		match_name=${match_name%$suffix4}
61 |    	elif [[ ${match_name/${suffix2}//} != $match_name ]]; then
62 |    		match_name=${match_name%$suffix2}
63 |     else
64 |     	match_name=${match_name%$suffix3}
65 |     fi
66 | 
67 |     dir_name=`dirname $png`
68 |     if [[ $dir_name =~ .bundle$ ]] || [[ $dir_name =~ .appiconset$ ]] || [[ $dir_name =~ .launchimage$ ]]; then
69 |       continue
70 |     fi
71 | 
72 |     referenced=false
73 | 
74 |     for file  in `echo $check_files | sed 's/\n/ /g'`
75 |   	do
76 |   	    if  grep -sqh "$match_name" "$file"; then
77 |   	        referenced=true
78 |   	    fi
79 |   	done
80 | 
81 |   	if ! $referenced ; then
82 |   		echo "The '$png' was not referenced in any file"
83 |   		COUNT=`expr $COUNT + 1`
84 |   		if $REMOVE ; then
85 |   			echo "Do remove unused image file '$png'"
86 |   			rm -f $png
87 |   		fi
88 |   	fi
89 | 
90 | done
91 | 
92 | echo "============= Total $COUNT unused image files ============="
93 | 


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