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+//po4a: entry man manual
+////
+Copyright (c) 1990, 1993
+	The Regents of the University of California.  All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. All advertising materials mentioning features or use of this software
+   must display the following acknowledgement:
+	This product includes software developed by the University of
+	California, Berkeley and its contributors.
+4. Neither the name of the University nor the names of its contributors
+   may be used to endorse or promote products derived from this software
+   without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+
+    @(#)look.1	8.1 (Berkeley) 6/14/93
+////
+= look(1)
+:doctype: manpage
+:man manual: User Commands
+:man source: util-linux {release-version}
+:page-layout: base
+:command: look
+
+== NAME
+
+look - display lines beginning with a given string
+
+== SYNOPSIS
+
+*look* [options] _string_ [_file_]
+
+== DESCRIPTION
+
+The *look* utility displays any lines in _file_ which contain _string_ as a prefix. As *look* performs a binary search, the lines in _file_ must be sorted (where *sort*(1) was given the same options *-d* and/or *-f* that *look* is invoked with).
+
+If _file_ is not specified, the file _/usr/share/dict/words_ is used, only alphanumeric characters are compared and the case of alphabetic characters is ignored.
+
+== OPTIONS
+
+*-a*, *--alternative*::
+Use the alternative dictionary file.
+
+*-d*, *--alphanum*::
+Use normal dictionary character set and order, i.e., only blanks and alphanumeric characters are compared. This is on by default if no file is specified.
++
+Note that blanks have been added to dictionary character set for compatibility with *sort -d* command since version 2.28.
+
+*-f*, *--ignore-case*::
+Ignore the case of alphabetic characters. This is on by default if no file is specified.
+
+*-t*, *--terminate* _character_::
+Specify a string termination character, i.e., only the characters in _string_ up to and including the first occurrence of _character_ are compared.
+
+include::man-common/help-version.adoc[]
+
+The *look* utility exits 0 if one or more lines were found and displayed, 1 if no lines were found, and >1 if an error occurred.
+
+== ENVIRONMENT
+
+*WORDLIST*::
+Path to a dictionary file. The environment variable has greater priority than the dictionary path defined in the *FILES* segment.
+
+== FILES
+
+_/usr/share/dict/words_::
+the dictionary
+
+_/usr/share/dict/web2_::
+the alternative dictionary
+
+== HISTORY
+
+The *look* utility appeared in Version 7 AT&T Unix.
+
+== EXAMPLES
+
+....
+sort -d /etc/passwd -o /tmp/look.dict
+look -t: root:foobar /tmp/look.dict
+....
+
+== SEE ALSO
+
+*grep*(1),
+*sort*(1)
+
+include::man-common/bugreports.adoc[]
+
+include::man-common/footer.adoc[]
+
+ifdef::translation[]
+include::man-common/translation.adoc[]
+endif::[]