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.Dd November 20, 2019
.Dt XE 1
.Os
.Sh NAME
.Nm atxec
.Nd run command expanding arguments from file or environment
.Sh SYNOPSIS
.Nm
.Ar command\ ...
.Sh DESCRIPTION
The
.Nm
utility constructs and then executes command lines from specified arguments,
expanding arguments like
.Bl -bullet
.It
.Sq Ic @ Ns Ar file
with the contents of
.Ar file ;
.It
.Sq Ic @$ Ns Ar VAR
with the contents of the environment variable
.Ar VAR ;
.It
.Sq Ic @@ Ns Ar str
with the string
.Sq @ Ns Ar str
.Pq for quoting .
.El
.Pp
Files and environment variables are split at whitespace into
.Em multiple
arguments.
You can use
.Xr rc 1 Ns - Ns style
quoting, i.e.
everything between single quotes is escaped
.Pq and regarded as a single argument ,
and two single quotes in a row expand to a quoted single quote.
.Pp
Files can contain comments,
text after
.Sq Ic #
is ignored
.Po
note:
the
.Sq Ic #
must be preceded by beginning of line or whitespace.
.Pc
.Sh EXIT STATUS
.Ex -std
.Sh EXAMPLES
TBD
.Sh SEE ALSO
.Xr execline 1
.Sh AUTHORS
.An Leah Neukirchen Aq Mt leah@vuxu.org
.Sh LICENSE
.Nm
is in the public domain.
.Pp
To the extent possible under law,
the creator of this work
has waived all copyright and related or
neighboring rights to this work.
.Pp
.Lk http://creativecommons.org/publicdomain/zero/1.0/
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