Vim 练习 - 录制和播放宏（macro）

Question

关于宏

VIM 用户可以使用宏来录制编辑动作过程，然后再播放以减少重复操作。
具体命令如下：

qa：开始录制宏，并将宏保存到寄存器 a 中（你也可以把“a”想象成宏的名称），开始后会在状态栏显示“recording”
q：停止录制
@a ：播放寄存器 a 中的宏

练习一

编辑前

# Appending text:
The name "Vim" is an acronym for "Vi IMproved"
The name "Vim" is an acronym for

Editing text:

Vim is a text editor originally released by Bram Moolenaar in 1991 for the Amiga
Trivia: Vim is a text editor released by Bram Moolenaar in 1991 for the Amiga

Deleting text:

Vim has a vi compatibility mode
Vim has a vi compatibility mode but when not in this mode Vim has many enhancements over vi

编辑后

将文件中的三对文本中的第二行都变得跟第一行一样。结果如下：

# Appending text:
The name "Vim" is an acronym for "Vi IMproved"
The name "Vim" is an acronym for "Vi IMproved"

Editing text:

Vim is a text editor originally released by Bram Moolenaar in 1991 for the Amiga
Vim is a text editor originally released by Bram Moolenaar in 1991 for the Amiga

Deleting text:

Vim has a vi compatibility mode
Vim has a vi compatibility mode

操作解释

qa 开始录制宏
j 下移一行
yy 复制一行
p 粘贴
j 下移一行
dd 删除一行
q 停止录制
2@a 播放两次

如果你这个比较简单，也没有什么实用价值，那就看下面这个吧。

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练习二

编辑前

Annette
Warren
Anthony
Preston
Kelly
Taylor
Stiller
Dennis
Schwartz

编辑后

ALTER USER Annette IDENTIFIED BY 'Annette';
ALTER USER Warren IDENTIFIED BY 'Warren';
ALTER USER Anthony IDENTIFIED BY 'Anthony ';
ALTER USER Preston IDENTIFIED BY 'Preston';
ALTER USER Kelly IDENTIFIED BY 'Kelly ';
ALTER USER Taylor IDENTIFIED BY 'Taylor';
ALTER USER Stiller IDENTIFIED BY 'Stiller';
ALTER USER Dennis IDENTIFIED BY 'Dennis';
ALTER USER Schwart IDENTIFIED BY 'Schwart';

操作解释

q a: 开始录制宏，存储到寄存器 a 中
I “ALTER USER ”: 在行首插入“ALERT USER ”
Esc w yw：复制光标后的用户名
A “IDENTIFIED BY '”：到行尾输入 IDENTIFIED BY ‘
Esc p：粘贴之前复制的用户名
A “';”：在行尾关闭引号
Esc j q：下移一行并结束录制
8@a：播放宏 8 次

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参考资料： Vi and Vim Macro Tutorial: How To Record and Play