.Dd $Mdocdate$
.Dt blp 1
.Os
.
.Sh NAME
.Nm blp
.Nd retrieve phone numbers for ads
.
.Sh SYNOPSIS
.Nm
.
.Sh DESCIPTION
.Pp
.Nm
retrieves the telephone number attached to Blocket.se ads formatted with
.Xr blm 1
on standard input.
Specifically, it looks for
.Ql ID
headers.
Any line not containing an
.Ql ID
header is ignored.

You can pipe a message from
.Xr mailx 1
into
.Nm
to display the telephone number associated with a given ad.
.
.Sh AUTHORS
.Pp
.Nm
is written by John Ankarström
.Aq Mt john (at) ankarstrom.se .