mirror of
https://github.com/dunwu/linux-tutorial.git
synced 2024-04-15 19:55:24 +08:00
12 lines
489 B
Bash
12 lines
489 B
Bash
#!/usr/bin/env bash
|
||
|
||
#and符号，代表替换命令中的匹配模式，不管预定义模式是什么文本，都可以用and符号替换，and符号会提取匹配替换命令中指定替换模式中的所有字符串
|
||
echo "The cat sleeps in his hat" | sed 's/.at/"&"/g'
|
||
|
||
#替换单独的单词
|
||
echo "The System Administrator manual" | sed 's/\(System\) Administrator/\1 user/'
|
||
|
||
#在长数字中插入逗号
|
||
echo "1234567" | sed '{:start; s/\(.*[0-9]\)\([0-9]\{3\}\)/\1,\2/; t start}'
|
||
|