Created
September 17, 2014 17:46
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比较classpath下的所有jar的相似度,以及class冲突的个数
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#!/bin/bash | |
if [ $# -eq 0 ];then | |
echo "please enter classpath dir" | |
exit -1 | |
fi | |
if [ ! -d "$1" ]; then | |
echo "not a directory" | |
exit -2 | |
fi | |
tmpfile="/tmp/.cp$(date +%s)" | |
tmphash="/tmp/.hash$(date +%s)" | |
verbose="/tmp/cp-verbose.log" | |
declare -a files=(`find "$1" -name "*.jar"`) | |
for ((i=0; i < ${#files[@]}; i++)); do | |
jarName=`basename ${files[$i]}` | |
list=`unzip -l ${files[$i]} | awk -v fn=$jarName '/\.class$/{print $NF,fn}'` | |
size=`echo "$list" | wc -l` | |
echo $jarName $size >> $tmphash | |
echo "$list" | |
done | sort | awk 'NF{ | |
a[$1]++;m[$1]=m[$1]","$2}END{for(i in a) if(a[i] > 1) print i,substr(m[i],2) | |
}' > $tmpfile | |
awk '{print $2}' $tmpfile | | |
awk -F',' '{i=1;for(;i<=NF;i++) for(j=i+1;j<=NF;j++) print $i,$j}' | | |
sort | uniq -c | sort -nrk1 | while read line; do | |
dup=${line%% *} | |
jars=${line#* } | |
jar1=${jars% *} | |
jar2=${jars#* } | |
len_jar1=`grep -F "$jar1" $tmphash | grep ^"$jar1" | awk '{print $2}'` | |
len_jar2=`grep -F "$jar2" $tmphash | grep ^"$jar2" | awk '{print $2}'` | |
len=$(($len_jar1 > $len_jar2 ? $len_jar1 : $len_jar2)) | |
per=$(echo "scale=2; $dup/$len" | bc -l) | |
echo ${per/./} $dup $jar1 $jar2 | |
done | sort -nr -k1 -k2 | | |
awk 'NR==1{print "Similarity DuplicateClasses File1 File2"}{print "%"$0}'| column -t | |
sort $tmpfile | awk '{print $1,"\n\t\t",$2}' > $verbose | |
echo "See $verbose for more details." | |
rm -f $tmpfile | |
rm -f $tmphash |
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