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strings Text to be searched for. [drive:][path]filename Specifies a file or files to search. Flags: /B Matches pattern if at the beginning of a line. /E Matches pattern if at the end of a line. /L Uses search strings literally. /R Uses search strings as regular expressions. /S Searches for matching files in the current directory and all ...
The /dev/null argument is used to show the name of the file before the text that is found. Without it, only the text found is printed. (Alternatively, some versions of grep support a -H flag that forces the file name to be printed.) GNU grep can be used on its own to perform this task: $
agrep, an approximate string-matching command; find (Windows) or Findstr, a DOS and Windows command that performs text searches, similar to a simple grep; find (Unix), a Unix command that finds files by attribute, very different from grep; List of Unix commands; vgrep, or "visual grep" ngrep, the network grep
Article title grep: searches page titles using regular expressions. This search is much slower than standard search. In particular this tool can search for exact strings of characters, including punctuation and with case sensitivity. For example the pattern \(& Co\. Ltd\. will find only titles containing (& Co. Ltd. exactly as shown. Regular ...
"string" This command-line argument specifies the text string to find. [drive:][path]filename Specifies a file or files in which to search the specified string. Flags: /V Displays all lines NOT containing the specified string. /C Displays only the count of lines containing the string. /N Displays line numbers with the displayed lines.
xargs is also a good companion for commands that output long lists of files such as find, locate and grep, but only if one uses -0 (or equivalently --null), since xargs without -0 deals badly with file names containing ', " and space.
for all files in use by the process, including the executing text file and the shared libraries it is using: the file descriptor number of the file, if applicable; the file's access mode; the file's lock status; the file's device numbers; the file's inode number; the file's size or offset; the name of the file system containing the file;
It combines ideas from Aho–Corasick with the fast matching of the Boyer–Moore string-search algorithm. For a text of length n and maximum pattern length of m, its worst-case running time is O(mn), though the average case is often much better. [2] GNU grep once implemented a string matching algorithm very similar to Commentz-Walter. [3]