PATTERN [FILE]... Usage: grep [OPTION]... PATTERN [FILE]... Search for PATTERN in each FILE or standard input. PATTERN is, by default, a basic regular expression (BRE). Example: grep -i 'hello world' menu.h main.c Regexp selection and interpretation: -E, --extended-regexp PATTERN...
-f StringFile 指定包含字符串的文件。 -v反向 1、统计两个文本文件的相同行 grep -Ff file1 file2 2、统计file1中有,file2中没有的行 file1-file2 grep -vFf file2 file1 ) -w或--word-regexp: 只显示全字符合的列。 -v或--revert-match: 反转查找。 -f<范本文件>或--file=<范本文件>: 指...
-Z, --null Output a zero byte (the ASCII NUL character) instead of the character that normally follows a file name. For example, grep -lZ outputs a zero byte after each file name instead of the usual newline. This option makes the output unambiguous, even in the presence of file names...
grep searches for any string in list of strings or flie. It is very fast. (f|g)ile 1. 2. 3. 要搜索其中的第三行(f|g)ile grep '(f|g)ile' check_file grep '(f|g)ile' check_file 1. 2. 输出 (f|g)ile grep searches for any string in list of strings or file. 1. 2. 在...
-Z, --null Output azerobyte (the ASCIINULcharacter) instead of the character that normally follows a file name. For example,grep -lZoutputs azero byteafter each file nameinstead ofthe usualnewline. This option makes the output unambiguous(不含糊), evenin the presence of(面对,有某人在场) fi...
(2)for循环使用 for loop in 1 2 3 4 5 do echo "The value is: $loop" done 输出结果: The value is: 1 The value is: 2 The value is: 3 The value is: 4 The value is: 5 顺序输出字符串中的字符: for str in 'This is a string' ...
OPTIONS - 既然可选，就是可以要可不要。PATTERN - 搜寻模式 FILE - 零个或多个输入文件名 为了能够搜索该文件，运行该命令的用户必须具有对该文件的读访问权。搜索文件中的字符串 grep 命令最基本的用法是在文件中搜索字符串(文本)。For example, to display all the lines containing the string bash from ...
For example, to display all the lines containing the string bash from the /etc/passwd file, you would run the following command: 例如,要显示/etc/passwd 文件中包含字符串 bash 的所有行,可以运行以下命令: 代码语言:javascript 复制 grep bash/etc/passwd ...
egrep --invert-match "search_pattern" path/to/file fgrep命令总结: - 【重要】Search for an exact string in a file: fgrep search_string path/to/file - Search only lines that match entirely in files: fgrep -x path/to/file1 path/to/file2 ...
按:（冒号），光标将移动到屏幕的左下角。输入set number或set nu，然后按Enter。 :set number 行号...