.\"Modified from man(1) of FreeBSD, the NetBSD mdoc.template, and mdoc.samples.

.\"See Also:

.\"man mdoc.samples for a complete listing of options

.\"man mdoc for the short list of editing options

.\"/usr/share/misc/mdoc.template

.Dd 1/27/2012

.Dt bsreplace 1

.Os Darwin

.Sh NAME

.Nm bsreplace

.Nd Insert, overwrite, or find-and-replace bytes.

.Sh SYNOPSIS

.Nm

.Op Fl r \" allow resize

.Op Fl m \" allow multiple

.Op Fl i Ar offset bytes

.Op Fl s Ar offset bytes

.Op Fl f Ar old_bytes new_bytes

.Op Fl o Ar outfile

.Ar file

.Sh DESCRIPTION

Insert, overwrite, or find-and-replace bytes. By default, find-and-replace requires

the search bytes to be unique and the counts of the search and the replacement bytes

must be equal. Inserting implies the size will change; overwriting implies the

size will not change.

.Pp

A list of flags and their descriptions:

.Bl -tag -width -indent

.It Fl r

Allow resizing.

.It Fl m

Allow multiple occurrences to be be replaced.

.It Fl i Ar offset bytes

Inserts bytes at offset bytes from the beginning of the file.

.It Fl s Ar offset bytes

Substitute bytes beginning at the file offset with "bytes".

.It Fl f Ar old_bytes new_bytes

Find "old_bytes" and replace with "new_bytes".

.It Fl o Ar outfile

Write the output to outfile instead of overwriting the input file.

.El

.Pp

.Sh SEE ALSO

.Xr bsdiff 1 ,

.Xr bspatch 1

.\" .Sh BUGS

.\" .Sh HISTORY \" Document history if command behaves in a unique manner