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1 .\" @(MHWARNING)
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2 .\" @(#)$Id$
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3 .SC BBL 1
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4 .NA
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5 bbl \- manage a BBoard
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6 .SY
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7 bbl
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8 \%[+folder]
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9 \%[\-shell\ program]
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10 \%[\-verbose] \%[\-noverbose]
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11 bboard
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12 \%[\-help]
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13 .DE
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14 \fIbbl\fR allows a \fIBBleader\fR to manage a BBoard.
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15 The process is relatively simple: a \fIBBleader\fR
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16 invokes the \fIbbl\fR program to set\-up an environment in which the messages
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17 contained in the BBoard
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18 may be accessed as if they were messages in an \fIMH\fR folder.
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19
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20 To do this, \fIbbl\fR, \fIincs\fR the \fIBBoard\fR
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21 to the folder \*(lq+bbl\*(rq, and \fIincs\fR the archives for the \fIBBoard\fR
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22 to the folder \*(lq+bbl/arc\*(rq. The \fIBBleader\fR
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23 then gets a new shell in which \fIMH\fR
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24 commands (among others) may be executed. When the \fIBBleader\fR
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25 is done, CTRL\-D is typed, which terminates the shell. \fIbbl\fR then
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26 asks the \fIBBleader\fR
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27 as to how the BBoard
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28 should be reconstructed.
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29 Usually, this results in zeroing the existing \fIBBoard\fR
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30 file, and \fIpack\fRing the \*(lq+bbl\*(rq folder into the \fIBBoard\fR
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31 file. Similar actions are taken for the archive.
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32
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33 The `\-shell' switch specifies what process that \fIbbl\fR should invoke
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34 as your command interpreter. This need not be a rooted filename.
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35 If this switch is not specified,
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36 \fIbbl\fR looks at the envariable \fB$SHELL\fR for a value.
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37 If this envariable is not set, then \fIbbl\fR uses your login shell.
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38
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39 The `\-verbose' switch directs \fIbbl\fR to type the shell commands that it
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40 executes to get the job done (e.g., \fIchmod\fR\0s, \fIinc\fR\0s, etc.)
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41
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42 As \fIbbl\fR processing is most likely not intuitively obvious to most
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43 prospective BBoard\-leaders, a short diatribe is in order. As pointed out in
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44 \fIBBleader\fR(1),
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45 a BBoard\-leader (of the fictitious BBoard \*(lqhacks\*(rq)
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46 has three primary maintenance functions:
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47 .in +.5i
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48
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49 .ti -.5i
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50 \fBRead the BBoard\fR
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51 .br
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52 You don't need \fIbbl\fR
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53 to do this, use \fIbbc\fR instead.
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54
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55 .ti -.5i
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56 \fBRemove inappropriate material\fR
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57 .br
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58 Do this by running \fIbbl\fR.
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59 An example of this might be:
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60 .sp
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61 .nf
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62 \01 % bbl hacks
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63 \02 [ Working folder is +bbl, Archive folder is +bbl/arc ]
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64 \03 [ Type CTRL\-D to finish ]
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65 \04 % scan
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66 .ta \w'\05 'u +\w'20 'u +\w'10/14 'u +\w'1345-PDT 'u +\w'Reasonable Person 'u
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67 \05 20 10/14 1345-PDT Silly User Nonsensical message
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68 \06 21 10/14 1707-PDT Silly User Another one
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69 \07 22 10/14 2144-PDT Reasonable Person Legit message
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70 .re
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71 \09 % rmm 20 21
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72 \10 % \^D
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73 \11 Incorporate changes? y
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74 \12 Remove +bbl? y
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75 \13 Update archives? n
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76 \14 Remove +bbl/arc? y
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77 \15 [+inbox now current]
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78 \16 %
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79 .fi
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80 .sp
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81 In item 1, the BBoard\-Leader invokes \fIbbl\fR
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82 on the BBoard called \*(lqhacks\*(rq. The \fIbbl\fR
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83 program responds by typing items 2 and 3 which tell the user what \fIMH\fR
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84 folders are being used and that a sub\-shell is now in use (respectively).
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85 The user does a scan of the +bbl folder
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86 (\fIbbl\fR sets the current\-folder to be the one with the BBoard in it.)
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87 and finds two messages that should be removed (numbers 20 and 21).
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88 The user then removes these using the \fIrmm\fR
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89 program (item 9) and then types a CTRL\-D to return to
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90 \fIbbl\fR (item 10).
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91 At this point,
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92 \fIbbl\fR
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93 asks how the BBoard should be reconstructed. Item 11 asks if the contents of
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94 the +bbl folder should OVERWRITE the contents of the BBoard. The user
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95 responds `yes',
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96 that it should (hence the two \fIrmm\fR'd messages disappear).
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97 Next on item 12,
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98 the user is asked if the +bbl folder should be killed, since the BBoards
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99 have been successfully updated, the user answers `yes'.
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100 On item 13, the user is
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101 asked if the archives should be updated. Since the user made no changes, the
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102 answer `no' is made. (The user could have answered `yes' with no disastrous
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103 effects, but knew that nothing had been updated). Finally, on item 14, the
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104 user indicates that the +bbl/arc subfolder should be killed, by answering
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105 `yes'.
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106
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107 .ti -.5i
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108 \fBArchive non\-recent material\fR
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109 .br
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110 Do this by running \fIbbl\fR.
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111 An example of this might be:
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112 .sp
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113 .nf
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114 \01 % bbl hacks
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115 \02 [ Working folder is +bbl, Archive folder is +bbl/arc ]
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116 \03 [ Type CTRL\-D to finish ]
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117 \04 % scan
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118 .ta \w'\05 'u +\w'20 'u +\w'10/14 'u +\w'1345-PDT 'u +\w'GFISHER@UCI-20B 'u
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119 \05 11 10/12 1905-PST Marshall Rose New MMail/BBck
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120 \06 12 10/12 1916-PST Stephen Willson PATH, nfinger, and ls
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121 \07 13 10/12 2329-PDT G@UCI-20A 833-5122 hours
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122 \08 14 10/13 1045-PDT MELLON@UCI-20B Reporting line
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123 \09 15 10/13 1112-PST Tim Shimeall Re: 833-5122 hours
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124 \10 16 10/13 1045-PDT MELLON@UCI-20B Reporting line
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125 \11 17 10/13 2042-PST Dana Roode Ucifinger
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126 \12 18 10/13 2045-PST Dana Roode Files in /usr/restores
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127 \13 19 10/14 1028-PDT WILLSON@UCI-20B Re: term no pause
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128 \14 20 10/14 1345-PDT Martin Katz Re: term no pause
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129 \15 21 10/14 1707-PDT SCRIBE@UCI-20A Scribe Use
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130 \16 22 10/14 2144-PDT GFISHER@UCI-20B New Twemacs
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131 \17 23 10/15 1227-PDT Rob Rittenhouse Re: New Twemacs
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132 .re
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133 \18 % file +bbl/arc \-src +bbl 11\-12 17\-20 21
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134 \19 % ^D
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135 \20 Incorporate changes? y
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136 \21 Remove +bbl? y
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137 \22 Update archives? y
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138 \23 Remove +bbl/arc? y
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139 \24 [+inbox now current]
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140 \25 %
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141 .fi
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142 .sp
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143 The important command given is in item 18, in which the user \fIfiles\fR
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144 some messages from +bbl into +bbl/arc. When CTRL\-D is typed, the user
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145 directs \fIbbl\fR
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146 to update both the BBoard and its archives, which does the proper action.
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147 As an alternate to this scenario,
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148 some creative \fIBBleaders\fR might use the \fIpick\fR command to do all of
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149 the work:
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150
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151 .in +.5i
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152 .nf
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153 pick \-sequence select \-before \-12 \-datefield BB-Posted \-zero
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154 pick \-sequence select \-before \-20 \-nozero
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155 scan select
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156 refile select +bbl/arc
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157 .fi
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158 .in -.5i
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159
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160 In order to facilitate the use of automation shell scripts,
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161 if the standard input for \fIbbl\fR is \fInot\fR a tty,
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162 then \fIbbl\fR will not ask any questions and will proceed as if
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163 the user's answer was \*(lqyes\*(rq for all questions.
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164 Hence, \fIbbl\fR may be run under \fIcron\fR\0(8) to provide for
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165 automatic archiving.
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166 .in -.5i
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167 .Fi
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168 ^$HOME/\&.mh\(ruprofile~^The user profile
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169 .Pr
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170 ^Path:~^To determine the user's MH directory
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171 .Ps
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172 ^incproc:~^Program to incorporate a mail drop into a folder
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173 .Ps
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174 ^packproc:~^Program to pack a folder into a msgbox
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175 .Ps
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176 ^rmfproc:~^Program to remove a folder
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177 .Sa
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178 bbc(1), bbleader(1), bboards(1)
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179 .De
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180 `+folder' defaults to \*(lqbbl\*(rq
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181 .Ds
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182 `\-nofile'
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183 .Ds
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184 `\-shell' defaults to \fB$SHELL\fR or your login shell
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185 .Co
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186 None
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187 .Hi
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188 In the early days of the UCI BBoards facility,
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189 \fIBBleaders\fR actually used to run this program by hand.
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190 Now, this \fIbbl\fR is often run automatically by the system to perform
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191 automatic archiving.
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192 .Bu
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193 Note that \fIbbl\fR executes a lot of \fIMH\fR
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194 commands, and as such, each of these commands can and will read
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195 your \fI\&.mh\(ruprofile\fR for defaults.
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196 Please read the \fBBUGS\fR section of \fImh\-profile\fR\0(5)
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197 for some hints to help you avoid many silly problems.
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198
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199 Also, \fIbbl\fR is unforgiving in doing exactly what it is told,
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200 so take special care in answering \fIbbl\fR's questions.
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201 .En
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