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OpenDarwin 7.2.1 - man page for look (opendarwin section 1)

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LOOK(1) 			   BSD General Commands Manual				  LOOK(1)

NAME
     look -- display lines beginning with a given string

SYNOPSIS
     look [-df] [-t termchar] string [file ...]

DESCRIPTION
     The look utility displays any lines in file which contain string as a prefix.  As look per-
     forms a binary search, the lines in file must be sorted.

     If file is not specified, the file /usr/share/dict/words is used, only alphanumeric charac-
     ters are compared and the case of alphabetic characters is ignored.

     Options:

     -d      Dictionary character set and order, i.e. only alphanumeric characters are compared.

     -f      Ignore the case of alphabetic characters.

     -t      Specify a string termination character, i.e. only the characters in string up to and
	     including the first occurrence of termchar are compared.

     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.

FILES
     /usr/share/dict/words  the dictionary

SEE ALSO
     grep(1), sort(1)

COMPATIBILITY
     The original manual page stated that tabs and blank characters participated in comparisons
     when the -d option was specified.	This was incorrect and the current man page matches the
     historic implementation.

HISTORY
     A look utility appeared in Version 7 AT&T UNIX.

BSD					  June 14, 1993 				      BSD
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