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identifile.1
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.\" Copyright (c) 2009-2010 Tamas Tevesz <[email protected]>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.Dd $Mdocdate$
.Dt IDENTIFILE 1
.Os
.Sh NAME
.Nm identifile
.Nd Identify file contents
.Sh SYNOPSYS
.Nm
.Op Fl d
.Ar file
.Sh DESCRIPTION
.Nm
checks
.Em file
at every byte offset by calling
.Xr magic_buffer 3
on the remainder of the file.
.Pp
.Nm
is used for finding content embedded inside other files.
.Pp
Specifying the
.Ar d
option will make
.Nm
print the (quite unhelpful)
.Sq data
identification, which is suppressed by default.
.Sh ENVIRONMENT
.Nm
uses the
.Ev MAGIC
environment variable as described in
.Xr libmagic 3 .
.Sh RETURN VALUES
.Nm
returns with the exit value of \-1 if errors occurred while opening
.Ar file
or allocating internal resources; with 0 otherwise.
.Sh SEE ALSO
.Xr libmagic 3
.Sh AUTHORS
Tamas Tevesz