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website: adjust the layout.

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docs/awk.md
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@ -74,7 +74,7 @@ awk -F: '{print $1 "=" $6}' /etc/passwd
查看: [Awk 变量](#awk-变量)
### awk 程序示例
### Awk 程序示例
<!--rehype:wrap-class=row-span-2 col-span-2-->
```shell
@ -153,6 +153,7 @@ Awk 变量
`FILENAME` | 文件名
### 表达式
<!--rehype:wrap-class=row-span-2-->
:- | :-
:- | :-
@ -173,6 +174,7 @@ Awk 变量
`ORS=NR%5?",":"\n"` | 连接记录
### 示例
<!--rehype:wrap-class=row-span-2-->
打印总和和平均值
@ -213,6 +215,16 @@ awk 'BEGIN {
print RLENGTH }'
```
### 仅限 GNU awk
:- | :-
:- | :-
`ENVIRON` | 环境变量
`IGNORECASE` | 忽略大小写
`CONVFMT` | 转换格式
`ERRNO` | 系统错误
`FIELDWIDTHS` | 固定宽度字段
### 环境变量
:- | :-
@ -226,16 +238,6 @@ awk 'BEGIN {
`SUBSEP` | 多维数组分隔符 _(default "\034")_
`ARGIND` | 参数索引
### 仅限 GNU awk
:- | :-
:- | :-
`ENVIRON` | 环境变量
`IGNORECASE` | 忽略大小写
`CONVFMT` | 转换格式
`ERRNO` | 系统错误
`FIELDWIDTHS` | 固定宽度字段
### 定义变量
```shell