For searching all sub-directories under a given path, we can use the -R switch (can be capital or lowercase, the difference is that capital follows symlinks), which means searching recursively. The following command will search the current directory recursively for files containing a term. $ ...
-d ACTION, --directories=ACTION If an input file is a directory, use ACTION to process it. By default, ACTION is read, i.e., read directories just as if they were ordinary files. If ACTION is skip, silently skip directories. If ACTION is recurse, read all files under each directory,...
Enabling shopt -s globstar in your .bashrc (or wherever) allows the ** glob pattern to match all sub-directories and files recursively. Thus using perl -pXe 's/SEARCH/REPLACE/g' -i ** will recursively replace SEARCH with REPLACE. The -X flag tells perl to "disable all warnings" - wh...
If you frequently search through code, Ag (The Silver Searcher) is a much faster alternative to grep, that's customized for searching code. For instance, it automatically ignores files and directories listed in .gitignore, so you don't have to keep passing the same cumbersome exclude options ...
├── grep_test.txt ├── hel.c ├── hello.c ├── hello.txt └── subdir └── sub.txt 搜索含有com字符串的文件,显示文件名及其路径(-r)、行号(-n)、行内容: subdir/sub.txt:2:youtube.com root@CQUPTLEI:~/Linux_test# grep -rn ".com" * grep_test.txt:11: - DOMAIN-SUFF...
--exclude=pattern When pcregrep is searching the files in a direc- tory as a consequence of the -r (recursive search) option, any regular files whose names match the pattern are excluded. Subdirectories are not excluded by this option; they are searched recur- sively, subject to the --...
ordinary files. If ACTION isskip, directories are silently skipped. If ACTION isrecurse, grep reads all files under each directory, recursively; this is equivalent to the-roption. --exclude=GLOB Skip files whosebase namematches GLOB (using wildcard(通配符) matching). A file-name glob can use...
8. Search a string Recursively in all Directories If you would like to search for a string in the current directory along with all of the subdirectories, you can specify the–roption to search recursively: $ sudo grep –r “function” * ...
R中的grep、grepl、sub、gsub、regexpr、gregexpr等函数都使用正则表达式的规则进行匹配。默认是egrep的规则,也可以选用Perl语言的规则。在这里,我们以R中的sub函数为例(因为该函数可以返回替换字符串后的具体内容)介绍正则表达式的用法。 对该函数的逻辑参数都使用默认值(ignore.case = FALSE,表示大小写敏感;extended...
To search all files in all subdirectories of a specific folder, use--recursiveor-r: $grepNorm--recursive--only-matching docbooks-xsl-1.79.1 docbook-xsl-1.79.1/tests/refentry.007.xml:Norm docbook-xsl-1.79.1/tests/refentry.007.xml:Norm ...