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mysql命令行导入sql文件到指定数据库的方法

Jun 07, 2016 pm 03:15 PM
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欢迎进入Linux社区论坛,与200万技术人员互动交流 >>进入 第四章: ls 有一些我们常用的参数, 比如我们要知道当前目录的所有内容, 包括隐藏文件夹和文件和所有属性, 例 [root@AY130410135131135089 logs]# ls boot2013-06.log 使用 ls 命令的“-l”选项,则

欢迎进入Linux社区论坛,与200万技术人员互动交流 >>进入

 

  第四章:

  ls 有一些我们常用的参数, 比如我们要知道当前目录的所有内容, 包括隐藏文件夹和文件和所有属性, 例

  [root@AY130410135131135089 logs]# ls

  boot2013-06.log

  使用 ls 命令的“-l”选项,则结果以长模式输出:

  [root@AY130410135131135089 logs]# ls -l

  total 8

  -rw-rw-rw- 1 root root 5975 Jun 15 17:34 boot2013-06.log

  显示隐藏文件:

  [root@AY130410135131135089 logs]# ls -a

  . .. boot2013-06.log

  命令 选项 参数

  command -options arguments

  下面这个例子,ls 命令有两个选项, “l” 选项产生长格式输出,“t”选项按文件修改时间的先后来排序。

  [me@linuxbox ~]$ ls -lt

  确定一个文件什么文件类型我们用 file, 使用方法如下

  [root@AY130410135131135089 logs]# file boot2013-06.log

  boot2013-06.log: ASCII text

  [root@AY130410135131135089 assets]# file world.swf

  world.swf: Macromedia Flash data (compressed), version 10

  用 less 浏览文件内容

  [me@linuxbox ~]$ less /etc/passwd

  TODO 表 4-3: less 命令 需要截图哦。

  小提示:记得复制和粘贴技巧!如果你正在使用鼠标,双击文件名,来复制它,然后按下鼠标中键,粘贴文件名到命令行中。

  Symbolic Links符号链接

  Hard Links硬链接

  第五章:操作文件和目录

  cp ― 复制文件和目录

  mv ― 移动/重命名文件和目录

  mkdir ― 创建目录

  rm ― 删除文件和目录

  ln ― 创建硬链接和符号链接 TODO没搞懂 和Window快捷键的区别联系 点击打开链接

  cp ― 复制文件和目录

  jiangge@localhost:~$ cp item1 item2 # 把item复制到directory目录

  jiangge@localhost:~$ cp file1 file2 # 复制file1到file2

  jiangge@localhost:~$ cp -i file1 file2 # 复制过程中如果有这个文件提示是否覆盖

  jiangge@localhost:~$ cp dir1/* dir2 # 复制目录下所有文件或目录到目标目录

  jiangge@localhost:~$ cp -r dir1 dir2 # 递归复制

  mkdir ― 创建目录

  jiangge@localhost:~$ mkdir dir

  jiangge@localhost:~$ mkdir dir1 dir2 dir3 # 创建多个文件夹

  jiangge@localhost:~$ mkdir -p /dir1/dir2/dir3 # 递归创建文件夹

  mv ― 移动/重命名文件和目录

  jiangge@localhost:~$ mv file1 file2 # 重命名

  jiangge@localhost:~$ mv -i file1 file2 # 如果存在提示是否写入

  jiangge@localhost:~$ mv file1 file2 dir1 # 移动 file1 file2 至 dir1

  jiangge@localhost:~$ mv dir1 dir2 # 移动 dir1 至 dir2

  rm ― 删除文件和目录

  jiangge@localhost:~$ rm file1

  jiangge@localhost:~$ rm file1 dir1

  jiangge@localhost:~$ rm -r dir1 #删除文件夹, 递归删除

  jiangge@localhost:~$ rm -rf dir1 强制删除

  表5-3:通配符范例

  模式 匹配对象

  * 所有文件

  g* 文件名以“g”开头的文件

  b*.txt 以"b"开头,中间有零个或任意多个字符,并以".txt"结尾的文件

  Data??? 以“Data”开头,其后紧接着3个字符的文件

  [abc]* 文件名以"a","b",或"c"开头的文件

  BACKUP.[0-9][0-9][0-9] 以"BACKUP."开头,并紧接着3个数字的文件

  [[:upper:]]* 以大写字母开头的文件

  [![:digit:]]* 不以数字开头的文件

  *[[:lower:]123] 文件名以小写字母结尾,或以 “1”,“2”,或 “3” 结尾的文件

  表5-4:cp 选项

  选项 意义

  -a, --archive 复制文件和目录,以及它们的属性,包括所有权和权限。 通常,复本具有用户所操作文件的默认属性。

  -i, --interactive 在重写已存在文件之前,提示用户确认。如果这个选项不指定, cp 命令会默认重写文件。

  -r, --recursive 递归地复制目录及目录中的内容。当复制目录时, 需要这个选项(或者-a 选项)。

  -u, --update 当把文件从一个目录复制到另一个目录时,仅复制 目标目录中不存在的文件,或者是文件内容新于目标目录中已经存在的文件。

  -v, --verbose 显示翔实的命令操作信息

  表 5―5: cp 实例

  命令 运行结果

  cp file1 file2 复制文件 file1内容到文件 file2。如果 file2已经存在,file2的内容会被 file1的 内容重写。如果 file2不存在,则会创建 file2。

  cp -i file1 file2 这条命令和上面的命令一样,除了如果文件 file2存在的话,在文件 file2被重写之前, 会提示用户确认信息。

  cp file1 file2 dir1 复制文件 file1和文件 file2到目录 dir1。目录 dir1必须存在。

  cp dir1/* dir2 使用一个通配符,在目录 dir1中的所有文件都被复制到目录 dir2中。 dir2必须已经存在。

  cp -r dir1 dir2 复制目录 dir1中的内容到目录 dir2。如果目录 dir2不存在, 创建目录 dir2,操作完成后,目录 dir2中的内容和 dir1中的一样。 如果目录 dir2存在,则目录 dir1(和目录中的内容)将会被复制到 dir2中。

  第六章:点击打开链接

  type - 解读一个命令

  which - 显示哪些是可执行程序,which 确定一个可执行程序的位置

  man - 显示命令手册

  apropos - 显示一个合适的命令列表

  info - 显示一个命令信息

  whatis - 显示非常简短的描述一个命令

  alias - 为命令创建一个别名

  [shijiangge@localhost test]$ type type

  type is a shell builtin

  [shijiangge@localhost test]$ type ls

  ls is aliased to `ls --color=tty'

  [shijiangge@localhost test]$ type cp

  cp is hashed (/bin/cp)

  [shijiangge@localhost test]$ which ls #which 确定一个可执行程序的位置

  alias ls='ls --color=tty'

  /bin/ls

  [shijiangge@localhost test]$ which vim

  /usr/bin/vim

  help 获得帮助信息, 在每个shell命令的后面加上--help参数, 如

  [shijiangge@localhost test]$ ls --help

  Usage: ls [OPTION]... [FILE]...

  List information about the FILEs (the current directory by default).

  Sort entries alphabetically if none of -cftuvSUX nor --sort.

  [shijiangge@localhost test]$ help cd

  cd: cd [-L|-P] [dir]

  Change the current directory to DIR. The variable $HOME is the

  default DIR.

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mysql命令行导入sql文件到指定数据库的方法

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