were text; this is equivalent to the -a option. When processing binary data, grep may treat non-text bytes as line terminators; for example, the pattern '.' (period) might not match a null byte, as the null byte might be treated as a line terminator. Warning: grep --binary-files=te...
Regexp selectionandinterpretation: // 正则表达式选择和解释-E,--extended-regexp PATTERN is an extended regular expression (ERE)-F,--fixed-strings PATTERN is a set of newline-separated strings-G,--basic-regexp PATTERN is a basic regular expression (BRE)-P,--perl-regexp PATTERN is a Perl ...
You can also use the -w switch, which will tell grep that the string must match the whole line. Obviously, this will only work in situations where you’re not expecting the rest of the line to have any text at all. Exclude pattern To see the contents of a file but exclude patterns ...
PATTERNS is one or more patterns separated by newline characters, and grep prints each line that matches a pattern. Typically PATTERNS should be quoted when grep is used in a shell command. A FILE of “-” stands for standard input. If no FILE is given, recursive searches examine the ...
1.startline,endline 比如1,100 $:最后一行 2./RegExp/ /^root/ 3./pattern1/,/pattern2/ 第一次被pattern匹配到的行开始,至第一次pattern2匹配到的行结束,这中间的所有行。 4.LineNumber 指定行 5.startline,+N 从startline开始,向后的N行。
1.startline,endline 比如1,100 $:最后一行 2./RegExp/ /^root/ 3./pattern1/,/pattern2/ 第一次被pattern匹配到的行开始,至第一次pattern2匹配到的行结束,这中间的所有行。 4.LineNumber 指定行 5.startline,+N 从startline开始,向后的N行。
grep - print lines matching a patterngrep [OPTIONS] PATTERN [FILE...] grep [OPTIONS] [-e PATTERN | -f FILE] [FILE...]
Note that the caret^symbol is placed at the start of the target string, while the dollar$symbol is placed at the end of the target string. Match A Character You can use the dot.symbol to match any character in a regex pattern. This is an incredibly useful regex because you can use it...
grep "search_pattern" path/to/file - 【重要】Search for an exact string (disables regular expressions): grep --fixed-strings "exact_string" path/to/file - Search for a pattern in all files recursively in a directory, showing line numbers of matches, ignoring binary files: ...
grepOPTIONS PATTERN INPUT_FILE_NAMES OPTIONS部分可以指定0或多个。只有当没有使用"-e PATTERN"或"-f FILE"时,指定的PATTERN才被grep可视。可以指定0或多个INPUT_FILE_NAMES。 Command-line Options(命令行选项) 'grep'有大量选项可用:一些是POSIX.2中的,一些是GNU扩展的。长选项都是GNU扩展选项,即使它们来自于...