mirror of https://github.com/fengyuhetao/shell.git
12 lines
481 B
Bash
12 lines
481 B
Bash
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#!/bin/bash
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#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
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echo "The cat sleeps in his hat" | sed 's/.at/"&"/g'
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#替换单独的单词
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echo "The System Administrator manual" | sed 's/\(System\) Administrator/\1 user/'
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#在长数字中插入逗号
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echo "1234567" | sed '{:start; s/\(.*[0-9]\)\([0-9]\{3\}\)/\1,\2/; t start}'
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