NAME¶

what - display binary identification strings

SYNOPSIS¶

what [ options ] [ file ... ]

DESCRIPTION¶

what searches the given files for all occurrences of the identification pattern @(#) or $Id: and writes a line to the standard output containing the text that follows until the first occurrence of one of the following: " < > \ $ newline NUL. If no file is given or if a file is - then the standard input is read. The name of each input file, followed by a :, is also written as a separate line to the standard output.

OPTIONS¶

-m, --matched
Only list the names of files that match the identification pattern.

-s, --first|single
Find only the first occurrence of the pattern in each file.

EXIT STATUS¶

0
Some matches were found.
1
Otherwise.
2
Option error.

SEE ALSO¶

ident(1), grep(1), strings(1)

IMPLEMENTATION¶

version
what (AT&T Research) 2012-02-11
author
Glenn Fowler <gsf@research.att.com>
author
David Korn <dgk@research.att.com>
copyright
Copyright (c) 1992-2012 AT&T Intellectual Property
license
http://www.eclipse.org/org/documents/epl-v10.html