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.\" assert.1 - manual page for the assert command
.\" Copyright (C) 2009  Lars Wirzenius
.\"
.\" This program is free software: you can redistribute it and/or modify
.\" it under the terms of the GNU General Public License as published by
.\" the Free Software Foundation, either version 3 of the License, or
.\" (at your option) any later version.
.\"
.\" This program is distributed in the hope that it will be useful,
.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public License
.\" along with this program.  If not, see <http://www.gnu.org/licenses/>.
.\"
.TH ASSERT 1
.SH NAME
assert \- make sure given conditions are true
.SH SYNOPSIS
.B assert
.RI [ --file =\fIFILE\fR]
.SH DESCRIPTION
.B assert
checks that specific conditions are true.
At the moment, it can check that a file has a given type (MIME or file(1)).
.SH EXAMPLE
The following command checks that the file NEWS has the MIME type text/plain.
.sp 1
.ti +4
.nf
assert mime-type-is text/plain NEWS
.fi