标签：erro Fix /tmp null ror grep echo size ESS
#!/bin/bash
data_dir="/data2/oss/private-beebank-backup/rds_backup/"
damage_dir="/data2/damage_file"
bak_dir="/data2/bak_dir"
SEND_THREAD_NUM=$1
tmp_fifofile="/tmp/$$.fifo"
mkfifo "$tmp_fifofile"
exec 6<>"$tmp_fifofile"
cd $data_dir
for ((i=0;i<$SEND_THREAD_NUM;i++))
do
echo
done >&6
for sub_dir in `ls $data_dir`
do
for f in `ls ${sub_dir}`
do
if [ -f /tmp/stop.txt ];then
rm -f /tmp/stop.txt
exit 1
fi
read -u6
{
if [ -f /tmp/stop.txt ];then
exit 1
fi
sleep 1
file_name=${sub_dir}/$f
file_head_name=`echo ${file_name}|cut -d "." -f 1`
file_suffix_name=`echo ${file_name}|cut -d "." -f 3`
if [[ ${file_suffix_name} == "gz" ]];then
tar itf ${file_name} &> /dev/null
if [ $? -eq 0 ];then
Date=`date +%F_%H:%M:%S`
begin_time=`date +%s`
before_size=`du -b $file_name|awk ‘{print $1}‘`
(dd if=${file_name} && echo ok > /tmp/$f.ddin) |(gunzip && echo ok > /tmp/$f.gunzip)|(xz -z && echo ok > /tmp/$f.xz)|(dd of="${file_head_name}.tar.xz" && echo ok > /tmp/$f.ddout)
grep -w ok /tmp/$f.ddin &>/dev/null && grep -w ok /tmp/$f.gunzip &>/dev/null && grep -w ok /tmp/$f.xz &>/dev/null && grep -w ok /tmp/$f.ddout &>/dev/null
if [ $? -eq 0 ];then
after_size=`du -b "${file_head_name}.tar.xz"|awk ‘{print $1}‘`
end_time=`date +%s`
conpress_time=`echo |awk -v a=$begin_time -v b=$end_time ‘{printf ("%.2f\n",(b-a)/60)}‘`
mv ${file_name} ${bak_dir}
echo "$Date ${file_name} before_size: $before_size after_size: $after_size conpress_time: $conpress_time" >> /var/log/gz_to_xz.log
#rm -f /tmp/$f.ddin /tmp/$f.gunzip /tmp/$f.xz /tmp/$f.ddout
else
echo "${file_name} change to xz mode failed" >> /var/log/gz_to_xz_failed.log
fi
else
mv ${file_name} ${damage_dir}
echo "${file_name} change to xz mode failed" >> /var/log/gz_to_xz_error.log
fi
fi
echo >&6
}&
done
done
wait
exec 6>&-
exit 0标签：erro Fix /tmp null ror grep echo size ESS
原文地址：http://blog.51cto.com/peitianwang/2131021
