NAME
look—Display lines beginning with a given string

SYNOPSIS
look [–dfa] [–t termchar] string [file]

DESCRIPTION
The look utility displays any lines in file that contain string as a prefix. As look performs a binary search, the lines in file must be sorted.
If file is not specified, the file /usr/dict/words is used, only alphanumeric characters are compared, and the case of alphabetic characters is ignored.

OPTIONS

Options Description
–d Dictionary character set and order; that is, only alphanumeric characters are compared.
–f Ignore the case of alphabetic characters.
-a Use the alternate dictionary /usr/dict/web2.
–t Specify a string termination character; that is, 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.

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