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shell检查文件的大小

#检查文件的大小
Check_File_Size(){
local file_name=$1
local file_small_size=$2 #设置包的最小值,1024代表1M,524288代表512M,1048576代表1G,2097152代表2G
[[ ! -f ${file_name} ]] && Log ERROR "${file_name} Not Found" && exit 1
if ! echo ${file_small_size} | egrep '^[[:digit:]]+$' &> /dev/null;then
Log ERROR "file_small_size Must Is Number" && exit 1
fi
echo "INFO:Begin Check ${file_name}..."
local file_size=$(du -s ${file_name} | awk '{print $1}')
if [[ ${file_size} -lt ${file_small_size} ]];then
echo "ERROR:${file_name} is bad file" && rm -f ${file_name}
exit 1
fi
}
Check_File_Size test.txt 1024


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