NAME
SYNOPSIS
DESCRIPTION
The
utility displays any lines in
which contain
as a prefix.
If
is not specified, the file
is used, only alphanumeric characters are compared and the case of
alphabetic characters is ignored.
Options:
- b
Use a binary search on the given word list. If you are ignoring case with
or ignoring non-alphanumeric characters with
the file must be sorted in the same way. See
sort(1)
for more information on sorting files.
- 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
up to and including the first occurrence of
are compared.
The
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
COMPATIBILITY
The original manual page stated that tabs and blank characters participated
in comparisons when the
option was specified.
This was incorrect and the current man page matches the historic
implementation.
uses a linear search by default instead of a binary search, which is what most
other implementations use by default.
HISTORY
A
utility appeared in
