sed -i'/hello/a\this is a test line'filename #在第 2 行之后插入 "this is a test line" sed -i'2a\this is a test line'filename 2.2.2.2 行上插入(i\) #将 "this is a test line" 插入到含有 "librarookie" 的行上面 sed -i'/librarookie/i\this is a test line'filename #在第 ...
Linux 命令 sed 命令解析 sed 是一种流编辑器,主要用来对文本进行替换、删除、新增、选取等操作。...sed 的一般形式如下: sed [options] 'command' filename options是可选参数 command是要执行的操作命令 filename是要处理的文件名。...I'm studying sed. 现在要用 sed 命令将其中的第一行 Hello world!
[root@localhost ~]#sed'1i\>This is one line of new text.\> This is another line of new text.'data6.txtThis is one line of new text. This is another line of new text. This is line number1. This is line number2. This is line number3. This is line number4. 可以看到,指定的...
1.2 sed的编辑命令(command) a:append(附加),会在指定行后增加一个新行 $ sed '3a\This is an appended line.' data.txt //将新行附加到第三行后 $ sed '$a\This is a new line of text.' data6.txt //将新行附加到数据流末尾 i:insert(插入),会在指定行前增加一个新行 $ echo "Test Lin...
VI中的多行删除与复制 法一： 单行删除，：1（待删除行）d 多行删除 ，：1,10d 法二： 光标所在...
string= string found in in line regex= regular expression corresponding to the searched pattern addr= address of a line (number or pattern ) d= delete Examples Remove the 3rd line: sed '3d' fileName.txt Remove the line containing the string "awk": ...
Addresses determine on which line(s) thesedcommand will be executed. The following command replaces the word ‘hello’ with ‘world’ only on line 144: 如果没写地址空间选项,后面的命令将会在所有的行上进行操作,下面的命令将替换所有行中的单词:hello为world(注:只会替换一行中出现的第一个hello单词...
A command line with two addresses selects the inclusive range from the first pattern space that matches the first address through the next pattern space that matches the second. If the second address is a number less than or equal to the line number first selected, only that line is selected...
source ~/.bash_profile brew update 2.重新开启一个终端 (1)输入 brew install gnu-sed alias sed=gsed (2)再输入sed命令 sed -e '4 a new line' test.txt cat test.txt 看到new line插到第4行的后面,证明这个问题解决了。
Command-line processor for HashiCorp config files, like sed for HCL — Terraform, Consul, Nomad, Vault - mattolenik/hclq