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   1 .TH AP %manext8% 2013-12-05 "%nmhversion%"
   2 .
   3 .\" %nmhwarning%
   4 .
   5 .SH NAME
   6 ap \- nmh parser of RFC 822-style addresses
   7 .SH SYNOPSIS
   8 .HP 5
   9 .na
  10 .B %nmhlibexecdir%/ap
  11 .RB [ \-help ]
  12 .RB [ \-version ]
  13 .RB [ \-form
  14 .IR formatfile ]
  15 .RB [ \-format
  16 .IR string ]
  17 .RB [ \-width
  18 .IR columns ]
  19 .I addrs
  20 \&...
  21 .ad
  22 .SH DESCRIPTION
  23 .B ap
  24 is a program that parses addresses according to the ARPA
  25 Internet standard.  It also understands many non-standard formats.
  26 It is useful for seeing how
  27 .B nmh
  28 will interpret an address.
  29 .PP
  30 The
  31 .B ap
  32 program treats each argument as one or more addresses, and
  33 prints those addresses out in the official RFC 822 format.  Hence, it is
  34 usually best to enclose each argument in quotes for the shell.
  35 .PP
  36 To override the output format used by
  37 .BR ap ,
  38 the
  39 .B \-format
  40 .I string
  41 or
  42 .B \-format
  43 .I file
  44 switches are used.  This permits individual fields of
  45 the address to be extracted with ease.  The string is simply a format
  46 string, and the file is simply a format file.  See
  47 .IR mh\-format (5)
  48 for the details.
  49 .PP
  50 In addition to the standard escapes,
  51 .B ap
  52 also recognizes the following additional escape:
  53 .PP
  54 .RS 5
  55 .nf
  56 .ta \w'Escape  'u +\w'Returns  'u
  57 .I "Escape      Returns Description"
  58 error   string  A diagnostic if the parse failed
  59 .RE
  60 .fi
  61 .PP
  62 Here is the default format string used by
  63 .BR ap :
  64 .PP
  65 .RS 5
  66 %<{error}%{error}: %{text}%|%(putstr(proper{text}))%>
  67 .RE
  68 .PP
  69 which says that if an error was detected, print the error, a `:', and
  70 the address in error.  Otherwise, output the RFC 822\-proper format of
  71 the address.
  72 .SH FILES
  73 .PD 0
  74 .TP 20
  75 $HOME/.mh_profile
  76 The user's profile.
  77 .TP
  78 %nmhetcdir%/mts.conf
  79 The mts configuration file.
  80 .PD
  81 .SH "PROFILE COMPONENTS"
  82 None
  83 .SH "SEE ALSO"
  84 .IR fmttest (1),
  85 .IR dp (8)
  86 .PP
  87 .I
  88 Standard for the Format of ARPA Internet Text Messages
  89 (RFC 822)
  90 .SH DEFAULTS
  91 .PD 0
  92 .TP 20
  93 -format
  94 As described above.
  95 .TP
  96 \-width
  97 The width of the terminal.
  98 .PD
  99 .SH CONTEXT
 100 None