grep (global search regular expression(RE) and print out the line,全面搜索正则表达式并把行打印出来)是一种强大的文本搜索工具,它能使用正则表达式搜索文本,并把匹配的行打印出来。Unix的grep家族包括grep、egrep和fgrep。egrep和fgrep的命令只跟grep有很小不同。egrep是grep的扩展,支持更多的re元字符, fgrep就...
If this option is used multiple times or is combined with the -f (--file) option, search for all patterns given. This option can be used to protect a pattern beginning with “-”. -f FILE, --file=FILE Obtain patterns from FILE, one per line. If this option is used multiple ...
Use PATTERN as the pattern. If this option is used multiple times or is combined with the -f (--file) option, search for all patterns given. This option can be used to protect a pattern beginning with “-”. 使用模式作为模式。如果此选项多次使用或与-f (- file)选项组合使用,则搜索给定...
-H, --with-filename Print the file name for each match. This is the default when there is more than one file to search. -h, --no-filename Suppress the prefixing of file names on output. This is the default when there is only one file (or only standard input) to search. --labe...
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” * ...
In the latter case, colouring happens only if the stan- dard output is connected to a terminal. More resources are used when colouring is enabled, because pcregrep has to search for all possible matches in a line, not just one, in order to colour them all. The colour that is used can...
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 ...
I need to recursively search for a specified string within all files and subdirectories within a directory and replace this string with another string. I know that the command to find it might look like this: grep 'string_to_find' -r ./* But how can I replace every instance of string...
likewise,but follow all symlinks--include=FILE_PATTERNsearch only files that matchFILE_PATTERN--exclude=FILE_PATTERNskip files and directories matchingFILE_PATTERN--exclude-from=FILEskip files matching any file patternfromFILE--exclude-dir=PATTERNdirectories that matchPATTERNwill be skipped.-L,--files...
This option can be used to protect a pattern beginning with “-”.-f FILE, --file=FILE Obtain patterns from FILE, one per line. If this option is used multiple times or is combined with the -e, searchforall patterns given. The emptyfilecontains zero patterns, and therefore matches nothi...