一个shell脚本，将某目录下的文件平均分配到新建的几个目录

jane27

#!/bin/bash
baseDir=/home/lich/msg
targetDir=/home/lich/tmp
folderCount=3
echo "The base directory is: $baseDir"
echo "The target directory is: $targetDir"
[ -f "${0}.lock" ] && echo "${0}.lock locked, maybe ${0} processing now!" \
&& exit -1
[ ! -d $baseDir ] && echo "warning: baseDir=$baseDir is not a directoy, exit!" && exit
lockfile ${0}.lock
for((i=1;i<=folderCount;i++))
do
[ ! -d $targetDir$i ] && mkdir $targetDir$i
done
fileCount=`find $baseDir -type f | wc -l`
if [ $fileCount = 0 ]
then
echo "baseDir $baseDir have $fileCount files"
rm -f ${0}.lock
exit
fi

x=0
for fileName in $baseDir/*;
do
fileList[$x]=$fileName
let "x+=1"
done
total=${#fileList[@]}
echo "get files total: $total"
avg=`expr $(($total + $folderCount - 1)) / $folderCount`
for((i=0,p=0;i<${#fileList[@]};i++))
do
if [ `expr $i % $avg` = "0" ]
then
let "p+=1"
fi
\cp ${fileList[$i]} $targetDir$p
done

for((i=0;i<${#fileList[@]};i++))
do
\rm ${fileList[$i]}
done

rm -f ${0}.lock
echo "success end!"