利用shell删除数据表中指定信息和字段对应的文件

利用mysql shell命令读取数据库信息，删除指定字段，以及字段对应的文件，适用Linux平台。

前面变量定义为数据基本配置

#!/bin/bash
#Program
#    delete the database'info whick state is 3
#History:
#  2014/2/23  cjp  First release
#  2014/3/5/  cjp  change value'setting on 117
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/usr/local/bin:/usr/local/sbin:~/bin
export PATH

host="127.0.0.1"
port="3306"
user="user" 
passwd="passwd"
dbname="database"
tablename="table"
field="t_field"
outField="t_id,t_path"
fileRootPath="/var/www/html/apath"
filePath=""
#checkdown data
mysql -h$host -P$port -u$user -p$passwd $dbname -e "SET NAMES utf8;SELECT ${outField} FROM ${tablename} WHERE ${field} = 3" > data_info 
date -d '1970-01-01 UTC 946684800 seconds' +"%Y-%m-%d %z" >> del_log.log
#delete image file and mysql data
sed '1d' data_info | while read line
do
  echo $line > findtemp
  awk '{print $2}' findtemp > imagetemp
  cat imagetemp | while read imagedata
  do
    filePath=${fileRootPath}${imagedata}
    echo $filePath >> del_log.log
    rm -f $filePath
  done 
  awk '{print $1}' findtemp > idtemp
  cat idtemp | while read iddata
  do
    mysql -h$host -P$port -u$user -p$passwd $dbname -e "SET NAMES utf8;DELETE FROM ${tablename} WHERE s_id = ${iddata}"
  done
done
rm -f data_info
rm -f imagetemp
rm -f idtemp
echo "^-^ clean!"

vtune自动化安装脚本
#!/bin/bash#!/usr/bin/expect-f#!/usr/bin/envbashyuminstall-yexpectwgetcd/rootwgethttp://172.16.92.99/share/tar/vtune_amplifier_xe_2013_update15.tar.gzwgethttp://172.16.92.99/share/tar/EVAL_L_VT__VGXB-

shell实现FizzBuzzWhizz问题示例(拉勾网面试题)
试题:https://www.jinshuju.net/f/EGQL3D语言:Shell(Bash)运行方式:shnum-game.sh数字1数字2数字3如果不想使用传递数字的方式,可以修改num-game.sh第9行,将NUM=$*改为NUM='数

Shell中处理包含空格的文件名实例
今天在处理文件时遇到个问题，当文件名包含空格时，for循环就出问题了。例如，我在当前文件夹下建立3个文件名包含空格的文件：keakons-MacBook-Pro:testk