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

iteye_19154

于 2011-01-28 12:00:10 发布

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CC 4.0 BY-SA版权

文章标签：脚本 Bash F#

本文链接：https://blog.youkuaiyun.com/iteye_19154/article/details/82003664

本文介绍了一个使用bash脚本批量处理目录中文件的功能，包括检查目录存在性、创建子目录、复制文件到指定位置并删除原始文件。

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#!/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!"