.\"=============================================================================
.\" Header
.\"
.\" Copyright (c) 2018-2019 Michael Baeuerle
.\"
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.\"
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.\" the Software and that both the above copyright notice(s) and this
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.\" CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\" SPDX-License-Identifier: ICU
.\"
.\"
.TH $NAME 1 $DATE Unix "$PACKAGE $VERSION manual"
.\"
.\"
.\"=============================================================================
.\" NAME section
.\"
.SH NAME
$NAME \- CLI frontend for libcanlock library
.\"
.\"
.\"=============================================================================
.\" SYNOPSIS section
.\"
.SH SYNOPSIS
.B $NAME
-h | -v
.PP
.B $NAME
[-d] [-n]
.\"
.\"
.\"=============================================================================
.\" DESCRIPTION section
.\"
.SH DESCRIPTION
Header Field Parser (hfp) for RFC 8315 conformant header fields.
.PP
The header field is read from stdin.
.PP
The input data must be an unfolded "Cancel-Lock" or "Cancel-Key" header field
without line break at the end. The utility
.BR canlock-mhp (1)
can be used to extract the field from an article.
.PP
If such a header field is found, it is parsed according to the syntax defined in
RFC 8315. If valid c-lock or c-key (respectively) elements are found, they are
printed to stdout with SP (Space) as delimiter.
.PP
Note: Additional formatting output is printed on stderr to make the output more
human readable on a terminal. Redirect stderr to /dev/null if this is not
wanted.
.\"
.\"
.\"=============================================================================
.\" OPTIONS section
.\"
.SH OPTIONS
The following options are supported:
.TP 20
.BI -d
Enable debug mode (messages are printed to stderr).
.TP
.BI -h
Print help message, then exit.
.TP
.BI -n
Prepend the data on stdout with the header field name (including the colon)
and a SP (Space) delimiter.
.TP
.BI -v
Print version and compile time options, then exit.
.\"
.\"
.\"=============================================================================
.\" EXIT STATUS section
.\"
.SH EXIT STATUS
Zero on success or regular exit respectively.
.br
All other values indicate an error.
.\"
.\"
.\"=============================================================================
.\" AUTHORS section
.\"
.SH AUTHORS
Michael Baeuerle
.\"
.\"
.\"=============================================================================
.\" REPORTING BUGS section
.\"
.SH REPORTING BUGS
Report bugs to <mailto:$BUGREPORT>.
.\"
.\"
.\"=============================================================================
.\" STANDARDS section
.\"
.SH STANDARDS
.B $NAME
tries to comply with the following standards:
.PP
RFC 8315
.\"
.\"
.\"=============================================================================
.\" SEE ALSO section
.\"
.SH SEE ALSO
.BR canlock-mhp (1),
.BR canlock (1)
.\"
.\"
.\" EOF
