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The pcregrep command is an implementation of grep that uses Perl regular expression syntax. [17] Similar functionality can be invoked in the GNU version of grep with the -P flag. [18] Ports of grep (within Cygwin and GnuWin32, for example) also run under Microsoft Windows. Some versions of Windows feature the similar qgrep or findstr command. [19]
He later added this capability to the Unix editor ed, which eventually led to the popular search tool grep's use of regular expressions ("grep" is a word derived from the command for regular expression searching in the ed editor: g/re/p meaning "Global search for Regular Expression and Print matching lines"). [15]
The name samba comes from inserting two vowels into the name of the standard protocol that Microsoft Windows network file system use, named Server Message Block (SMB). The author searched a dictionary using grep for words containing S M and B in that order; the only matches were Samba and Salmonberry.
xargs (short for "extended arguments") [1] is a command on Unix and most Unix-like operating systems used to build and execute commands from standard input.It converts input from standard input into arguments to a command.
EDIT is a full-screen text editor, included with MS-DOS versions 5 and 6, [1] OS/2 and Windows NT to 4.0 The corresponding program in Windows 95 and later, and Windows 2000 and later is Edit v2.0. PC DOS 6 and later use the DOS E Editor and DR-DOS used editor up to version 7.
If the newline option alternative in effect includes CRLF as one of the valid linebreaks, it does not skip the \n in a CRLF if the pattern contains specific \r or \n references (since version 7.3). Since version 8.10, the metacharacter \N always matches any character other than linebreak characters.
Output of dmesg viewed with grep. The output of dmesg can amount to many complete screens. For this reason, this output is normally reviewed using standard text-manipulation tools such as more, tail, less or grep. [6] Size of the dmesg buffer is limited and the output is often captured in a permanent system logfile via a logging daemon, such as ...
Language support on semgrep OSS is community driven and does not support interprocedural or interfile analysis. [ 4 ] The name is a combination of semantic and grep , referring to semgrep being a text search command-line utility that is aware of source code semantics.