ultrix man page for look

look(1) 						      General Commands Manual							   look(1)

Name
       look - find lines in sorted data

Syntax
       look [-df] string [file]

Description
       The command consults a sorted file and prints all lines that begin with string.	It uses binary search.	B

Options
       The options d and f affect comparisons as in If no file is specified, is assumed with collating sequence -df.

       -d   Uses dictionary order: only letters, digits, tabs and blanks can be compared.

       -f   Folds uppercase to lowercase (compares equally).

Files
       /usr/dict/words

See Also
       grep(1), sort(1)

																	   look(1)