By default, grep searches for all files, including files in hidden folders.
For example, use the following command to search for the mediabutton string. The search result contains files in the hidden folder.
Grep-Nr mediabutton *
If the code is
Search for a paragraph with a keyword (grep) from the output -- grep-p usageUpdate @ 20170424On Linux we can use below command:Awk 'in in {RS = ORS = "\ n"; FS = OFS = "\ n"}/V403PAA/'pa4.jil==========================================================
Regular expressions are not the same as wildcard characters, and they represent different meanings.
The grep command's options are used to supplement the search process. The grep command has a flexible pattern, can be a string, a variable, or a
The first thing to remember is that regular expressions and wildcards have different meanings!A regular expression is only a representation. As long as the tool supports this representation, the tool can process the string of a regular expression.
From: http://hi.baidu.com/nearlove/blog/item/11db98b6b5b8aff831add1e5.html
The first thing to remember is that regular expressions and wildcards have different meanings!A regular expression is only a representation. As long as the tool supports
A regular expression is only a representation. As long as the tool supports this representation, the tool can process the string of a regular expression. Vim, grep, awk, and sed both support regular expressions, and they seem powerful because they
Search for and display file names from a file
When you search from more than one file, it displays the file name by default:
The code is as follows:
grep "word" file name
grep root/etc/*
Sample output:
The code is as follows:
/etc/bash.bashrc:
Number of statistics files (excluding hidden files/folders)Ls-l | grep "^-" | Wc-l count the number of files in the current directory LS-LR | grep "^-" | Wc-l statistics the number of files in the current directory,
Which files in Linux are spam files?
After the Linux computer is installed, during our continuous use, various junk files will be generated in the hard disk due to activities such as adding and deleting software and surfing the Internet, debugging
Viewing file information: lsLS is the abbreviation of the English word list, its function is to list the contents of the directory, is one of the most commonly used commands, it is similar to the dir command under
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