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1 .\" @(MHWARNING)
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2 .\" @(#)$Id$
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3 .SC MHPATH 1
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4 .NA
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5 mhpath \- print full pathnames of MH messages and folders
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6 .SY
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7 mhpath
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8 \%[+folder] \%[msgs]
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9 \%[\-help]
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10 .DE
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11 \fIMhpath\fR expands and sorts the message list `msgs' and writes
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12 the full pathnames of the messages to the standard output
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13 separated by newlines.
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14 If no `msgs' are specified,
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15 \fImhpath\fR outputs the folder pathname instead.
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16 If the only argument is `+', your MH \fIPath\fR is output;
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17 this can be useful is shell scripts.
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18
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19 Contrasted with other MH commands, a message argument to \fImhpath\fR
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20 may often be intended for \fIwriting\fR.
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21 Because of this:
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22 .sp
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23 1) the name \*(lqnew\*(rq has been added to \fImhpath\fR's list of
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24 reserved message names
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25 (the others are \*(lqfirst\*(rq, \*(lqlast\*(rq, \*(lqprev\*(rq,
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26 \*(lqnext\*(rq, \*(lqcur\*(rq, and \*(lqall\*(rq).
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27 The new message is equivalent to the message after the
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28 last message in a folder
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29 (and equivalent to 1 in a folder without messages).
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30 The \*(lqnew\*(rq message may not be used as part of a message range.
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31 .sp
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32 2) Within a message list,
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33 the following designations may refer to messages that do not exist:
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34 a single numeric message name,
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35 the single message name \*(lqcur\*(rq,
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36 and (obviously) the single message name \*(lqnew\*(rq.
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37 All other message designations must refer to at least one existing message.
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38 .sp
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39 3) An empty folder is not in itself an error.
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40
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41 Message numbers greater than the highest existing message in a folder as
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42 part of a range designation are replaced with the next free message number.
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43
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44 Examples: The current folder foo contains messages 3 5 6.
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45 Cur is 4.
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46
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47 .nf
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48 .in +.5i
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49 % mhpath
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50 /r/phyl/Mail/foo
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51
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52 % mhpath all
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53 /r/phyl/Mail/foo/3
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54 /r/phyl/Mail/foo/5
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55 /r/phyl/Mail/foo/6
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56
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57 % mhpath 2001
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58 /r/phyl/Mail/foo/7
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59
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60 % mhpath 1\-2001
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61 /r/phyl/Mail/foo/3
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62 /r/phyl/Mail/foo/5
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63 /r/phyl/Mail/foo/6
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64
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65 % mhpath new
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66 /r/phyl/Mail/foo/7
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67
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68 % mhpath last new
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69 /r/phyl/Mail/foo/6
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70 /r/phyl/Mail/foo/7
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71
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72 % mhpath last\-new
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73 bad message list \*(lqlast\-new\*(rq.
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74
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75 % mhpath cur
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76 /r/phyl/Mail/foo/4
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77
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78 % mhpath 1\-2
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79 no messages in range \*(lq1\-2\*(rq.
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80
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81 % mhpath first:2
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82 /r/phyl/Mail/foo/3
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83 /r/phyl/Mail/foo/5
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84
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85 % mhpath 1 2
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86 /r/phyl/Mail/foo/1
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87 /r/phyl/Mail/foo/2
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88 .in -.5i
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89 .fi
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90
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91 \fIMHpath\fR is also useful in back\-quoted operations:
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92
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93 .nf
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94 .in +.5i
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95 % cd `mhpath +inbox`
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96
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97 % echo `mhpath +`
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98 /r/phyl/Mail
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99 .in -.5i
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100 .fi
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101 .Fi
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102 ^$HOME/\&.mh\(ruprofile~^The user profile
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103 .Pr
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104 ^Path:~^To determine the user's MH directory
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105 .Ps
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106 ^Current\-Folder:~^To find the default current folder
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107 .Sa
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108 folder(1)
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109 .De
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110 `+folder' defaults to the current folder
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111 .Ds
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112 `msgs' defaults to none
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113 .Co
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114 None
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115 .Bu
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116 Like all MH commands, \fImhpath\fR expands and sorts \%[msgs].
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117 So don't expect
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118
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119 .ti +.5i
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120 mv `mhpath 501 500`
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121
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122 to move 501 to 500.
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123 Quite the reverse. But
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124
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125 .ti +.5i
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126 mv `mhpath 501` `mhpath 500`
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127
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128 will do the trick.
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129
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130 Out of range message 0 is treated far more severely than large out of
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131 range message numbers.
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132 .En
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