其中可选选项([OPTION]部分)包括: -n, --quiet, --silent 抑制自动打印模式空间--debug 注释程序执行-e script, --expression=script 将脚本添加到要执行的命令中-f script-file, --file=script-file 将脚本文件的内容添加到要执行的命令中--follow-symlinks 处理时跟随符号链接-i[SUFFIX], --in-place[=...
Of course you could write the last example using the "-e" option: sed -e 's/^#.*//' f1 f2 f3 | grep -v '^$' | wc -l There are two other options to sed.sed -n: no printing The "-n" option will not print anything unless an explicit request to print is found. I menti...
sed [options] [command] file(s) [option] 选项 -n: 仅显示处理后的结果; -i: 直接修改读取的文件内容,而不是输出到终端; -e <script>: 以选项中的指定的script来处理输入的文本文件; -f <script file>: 以选项中指定的script文件来处理输入的文本文件; [command] 命令 a: 新增,在当前行下面插入文本...
sed -i 's/[[:blank:]]*$//' os.txtNow we can view the file again with nano Alt-p option to see the white space from end of line removed:Go to top15. Delete all lines that have a match two times on the lineIn this example we first create a text file named ‘input.txt’ ...
Example-7: Insert a line permanently after the matching pattern using the “-i” option The following “sed” command shows how to change the content of the file permanently. The “i” option is used with the “sed” command to insert a new line in the file based on the pattern. ...
If no-e,--expression,-f, or--fileoption is given, then the first non-option argument is taken as the sed script to interpret. All remaining arguments are names of input files; if no input files are specified, then the standard input is read. ...
* There might be examples where I use -E (regexp extended option) when it is not necessarily needed. Chances are you'll want to use this in most of your operations so it might not be a bad reflex to have. Sure, you could make an alias for it in your .bashrc. Personally I try ...
Add word boundaries (\b) to thesedcommand to ignore substrings when replacing strings in a file. For example: sed -i 's/\bbar\b/linux/gI' example.txt The command uses/as the delimiter between the search pattern and the replacement string. Alternatively, change the delimiter to:to make ...
-n:禁止显示所有输入内容,只显示经过sed处理的行(常用) -e:直接在命令模式上进行 sed 的动作编辑,接要执行的一个或 者多个命令 -f:执行含有 sed 动作的文件 -r:sed 的动作支持的扩展正则(默认基础正则) -i:直接修改读取的文件内容,不输出。 常见'script'address: ...
命令基本介绍 sed的命令格式: sed [option] ‘sed command’ filename 执行sed处理命令 sed的脚本格式:sed [option] -f ‘sed script...’ filename 执行脚本中的sed处理命令 常用参数 -n :只打印模式匹配的行 -e :直接在命令行模式上进行sed动作编辑,此为默认选项 -f :将sed的动作写在一个文件内,用–...