.TH FILE 1 
.SH NAME
file \- determine file type
.SH SYNOPSIS
.B file
file ...
.br
.B file
.B \-f
names
.SH DESCRIPTION
.I file
performs a series of tests on a set of files
in an attempt to classify their contents by language or purpose.
The names may be enumerated or contained in the file specified
by the
.BR \-f option.
.SH BUGS
It can make mistakes, for example classifying a file of decimal data,
`.01', `.02', etc. as 
.IR troff (1)
input.