.TH DEBRUIJN 1 2004-02-07 NCBI "NCBI Tools User's Manual"
.SH NAME
debruijn \- de Bruijn sequence generator
.SH SYNOPSIS
.B debruijn
[\|\fB\-\fP\|]
\fB\-a\fP\ \fIstr\fP
\fB\-n\fP\ \fIk\fP
.SH DESCRIPTION
\fBdebruijn\fP generates (on standard output) a string over the
specified alphabet containing every possible word (substring) of the
specified length exactly once.  \fBNote:\fP Substrings are not taken
to wrap around, so the first \fIk\fP-1 characters repeat at the end.
.SH OPTIONS
A summary of options is included below.
.TP
\fB\-\fP
Print usage message.
.TP
\fB\-a\fP\ \fIstr\fP
Alphabet (supply \fBncbistdaa\fP or \fBncbi2na\fP for standard
alphabets, or supply your own alphabet).
.TP
\fB\-n\fP\ \fIk\fP
Word size.
.SH AUTHOR
The National Center for Biotechnology Information.