--fixed-stringsPATTERNis asetofnewline-separated fixed strings-G,--basic-regexpPATTERNis a basic regularexpression(BRE)-P,--perl-regexpPATTERNis a Perl regular expression-e,--regexp=PATTERNusePATTERNformatching-f,--file=FILEobtainPATTERNfromFILE-i,--ignore-caseignorecasedistinctions...
--color[=WHEN], --colour[=WHEN] Surround the matched (non-empty) strings, matching lines, context lines, file names, line numbers, byte offsets, and separators (for fields and groups of context lines) with escape sequences to display them in color on the terminal. The colors are defined...
grep is a tool for filtering text inLinuxsystems. We can get a specific text or look for a pattern. grep is a tool used daily operation by Linux administrators. We will look at simple usage types in this tutorial. Grep can be used to find a word inside a folder. Grep name came from...
Regex - Match two strings in one line with grep, There are two ways to go about it. 1) Use grep command with regex matching pattern. grep -c '\<\ (DOG\|CAT\)\>' testfile. 2) Use egrep command. egrep -c 'DOG|CAT' testfile. With egrep you need not to worry about expression ...
You can also use grep to find multiple words or strings. You can specify multiple patterns by using the -e switch. Let’s try searching a text document for two different strings: $ grep -e 'Class 1' -e Todd Students.txt Notice that we only needed to use quotes around the strings tha...
output to the actual content:-H,-n, and-b. In order to improve theprobabilitythatlines from a single file will all start at the same column, this also causes the line number and byte offset (if present) to be printed in a minimum size field width. 就是在行号、byte-offset列对齐输出...
一、find命令:查找文件 1、命令帮助 2、命令详解 语法: find [路径path][选项][查找条件] 参数说明: 如果path 是空字串则使用当前路径。 -mount, -xdev : 只检查和指定目录在同一个文件系统下的文件,避免列出其它文件系统中的文件 -amin n : 在过去 n 分钟内被读取过的文件 ...
If the same file is in another directory, you need to navigate to that directory or use the full path of the file: grep 'extra\|value' /home/test/Desktop/sample.txt To search for more than two words, keep adding them in the same manner. ...
--context=NUM print NUM lines of output context-NUM same as--context=NUM--group-separator=SEP use SEP as a group separator--no-group-separator use empty string as a group separator--color[=WHEN],--colour[=WHEN] use markers to highlight the matching strings;WHENis'always','never',or'...
(2)find / -user fred -or -user george #在/目录下查找用户是fred或者george的文件文件 (3)find /tmp ! -user panda #在/tmp目录中查找所有不属于panda用户的文件 二、grep命令 基本格式:grep expressiongrep --help Usage: grep [OPTION]... PATTERN [FILE]... ...