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package Goo::Prompter; |
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############################################################################### |
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# Nigel Hamilton |
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# |
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# Copyright Nigel Hamilton 2005 |
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# All Rights Reserved |
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# |
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# Author: Nigel Hamilton |
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# Filename: Goo::Prompter.pm |
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# Description: Prompt the user for info. |
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# |
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# Date Change |
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# ----------------------------------------------------------------------------- |
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# 06/02/2005 Auto generated file |
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# 06/02/2005 Needed a modular way of doing this consistently |
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# 06/03/2005 Added term completion |
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# 10/08/2005 Added the ability to record a usage Trail - all user input |
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# comes via the Prompter so it is a natural place to start. |
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# 11/08/2005 Added method: askForKey |
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# 08/11/2005 Added method: editText |
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# 13/11/2005 Removed delegation to Prompter.pm - decided to trap actions |
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# only - i may return to delegation if more information is |
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# required for the GooTrail. The Trail recording in Thing.pm is |
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# sufficient at the moment. |
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# |
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############################################################################### |
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use strict; |
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use Data::Dumper; |
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use Term::ReadKey; |
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use Term::Complete; |
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use Text::FormatTable; |
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3129
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1176
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use Term::ANSIColor qw(:constants); |
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8945
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2569
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my $title = BLACK ON_GREEN; |
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my $highlight = WHITE; # select options in questions |
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my $lowlight = BLUE; # informative options |
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my $neonlight = GREEN; # BOLD! |
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my $reset = RESET; # needed for interpolation |
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my $clear = ""; # keep a clear cache for faster clears |
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############################################################################### |
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# |
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# pick_command - pick a command from a list |
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# |
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############################################################################### |
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sub pick_command { |
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my ($commands, $default) = @_; |
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$default = $default || ""; |
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# pull out all the command tokens - those that match [ |
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0
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my @commands = grep { $_ =~ /\[/ } split(/\s+/, $commands); |
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my %valid_options; |
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foreach my $command (@commands) { |
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my ($option) = $command =~ m/\[(.)\]/g; # grab the command [k]ey = k |
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next unless ($option); |
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$command =~ s/\W//g; # remove the [] in the command word |
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$valid_options{$option} = ucfirst(lc($command)); |
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73
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# highlight the option in the question |
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if ($option eq $default) { |
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# highlight the keys in the question |
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$commands =~ s/\[($option)/\[$neonlight$1/g; |
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$commands =~ s/($option)\]/$1$reset\]/g; |
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} else { |
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$commands =~ s/\[($option)/\[$highlight$1/g; |
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$commands =~ s/($option)\]/$1$reset\]/g; |
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} |
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} |
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85
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print $commands . ": "; |
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87
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# wait for a valid keystroke |
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while (my $key = get_key()) { |
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90
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# no command selected |
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if ($key =~ /\n/) { |
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say(); |
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if ($default) { |
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return $default; |
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} |
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return ""; |
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} |
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# matches a lowercase key |
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if ($key =~ /[a-z0-9]/) { |
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say(); |
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return $key; |
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104
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} |
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106
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# valid options |
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0
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if (exists $valid_options{$key}) { |
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109
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# go to a newline |
110
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0
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say(); |
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0
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return $key; |
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} |
113
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} |
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115
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} |
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117
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118
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############################################################################### |
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# |
120
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# pick_some - pick more than one answer to a question |
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# |
122
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############################################################################### |
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124
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sub pick_some { |
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126
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1
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my ($question, @answers) = @_; |
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128
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0
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my @selected_answers; |
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130
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0
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while (my $answer = pick_one($question, @answers)) { |
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132
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0
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say("Selected $answer."); |
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134
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# remove this answer from the list |
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0
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@answers = grep { $_ ne $answer } @answers; |
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0
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136
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137
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# remember the user selected it |
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0
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push(@selected_answers, $answer); |
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140
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} |
141
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142
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0
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return @selected_answers; |
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144
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} |
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146
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147
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############################################################################### |
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# |
149
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# pick_one - pick one from the list? |
150
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# |
151
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############################################################################### |
152
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153
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sub pick_one { |
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155
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0
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0
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1
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my ($question, @answers) = @_; |
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157
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0
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$question =~ s/\?//g; |
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159
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0
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print $question . " "; |
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161
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0
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my $counter = 1; |
162
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0
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my $options = {}; |
163
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164
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0
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foreach my $answer (@answers) { |
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166
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print "\n[", $highlight, $counter, RESET, "]$answer "; |
167
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$options->{$counter} = $answer; |
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$counter++; |
169
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170
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} |
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172
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print "? "; |
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174
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my $choice = get_response(); |
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176
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0
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return $options->{$choice} || ""; |
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178
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} |
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180
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############################################################################### |
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# |
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# confirm - yes or no? - default to "y"es |
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# |
184
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############################################################################### |
185
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186
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sub confirm { |
187
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188
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0
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0
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1
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my ($question, $default) = @_; |
189
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190
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0
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$default = $default || "Y"; |
191
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192
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0
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$question =~ s/\s+$//; |
193
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194
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0
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0
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my $yes_or_no = $default eq "Y" ? "Y/n" : "y/N"; |
195
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196
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0
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print $question . " [", $highlight, $yes_or_no, RESET, "] "; |
197
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198
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0
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my $answer = get_response(); |
199
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200
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# if no specific answer then set to default |
201
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0
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0
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if (not $answer) { $answer = $default; } |
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0
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202
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203
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# if the answer matches yes then confirm |
204
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0
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return $answer =~ /^[Yy]/; |
205
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206
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} |
207
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208
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############################################################################### |
209
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# |
210
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# insist - ask a question and insist on an answer |
211
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# |
212
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############################################################################### |
213
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214
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sub insist { |
215
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216
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0
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0
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1
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my ($question) = @_; |
217
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218
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0
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while (1) { |
219
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0
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my $response = ask($question); |
220
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0
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0
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if ($response ne "") { |
221
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0
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return $response; |
222
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} |
223
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} |
224
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225
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} |
226
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227
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############################################################################### |
228
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# |
229
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# ask - ask a question |
230
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# |
231
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############################################################################### |
232
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233
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sub ask { |
234
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235
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0
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0
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1
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|
my ($question, $default_answer) = @_; |
236
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237
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0
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$question =~ s/\s+$//; |
238
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0
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print $question . " "; |
239
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240
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0
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0
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if ($default_answer) { |
241
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0
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print "[$default_answer] "; |
242
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} |
243
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244
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0
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0
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return get_response() || $default_answer || ""; |
245
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246
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} |
247
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248
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############################################################################### |
249
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# |
250
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# keep_asking - keep asking the same question |
251
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# |
252
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############################################################################### |
253
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254
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sub keep_asking { |
255
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256
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0
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0
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1
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my ($question) = @_; |
257
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258
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0
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my @answers; |
259
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260
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0
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while (1) { |
261
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262
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0
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print $question. " "; |
263
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264
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0
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0
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|
if (scalar(@answers) > 0) { |
265
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0
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|
print " [", $lowlight, join(', ', @answers), RESET, "] "; |
266
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} |
267
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268
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0
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|
my $answer = get_response(); |
269
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0
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0
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|
if ($answer eq "") { last; } |
|
0
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270
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0
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|
push(@answers, $answer); |
271
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} |
272
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273
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0
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|
return @answers; |
274
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275
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} |
276
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277
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278
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############################################################################### |
279
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# |
280
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|
# say - say something |
281
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# |
282
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|
############################################################################### |
283
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284
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sub say { |
285
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286
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0
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0
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1
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|
my ($something) = @_; |
287
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288
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0
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0
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|
$something = $something || ""; |
289
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290
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0
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|
print $something . "\n"; |
291
|
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292
|
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|
} |
293
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294
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295
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|
############################################################################### |
296
|
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|
# |
297
|
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|
|
# show_title - say something on a green background! - this is the goo! |
298
|
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|
|
# |
299
|
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|
############################################################################### |
300
|
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|
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|
|
301
|
|
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|
|
|
|
sub show_title { |
302
|
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|
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|
|
|
303
|
0
|
|
|
0
|
1
|
|
my ($something) = @_; |
304
|
|
|
|
|
|
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|
305
|
0
|
|
|
|
|
|
print $title . $something . $reset . "\n"; |
306
|
|
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|
|
|
|
|
307
|
|
|
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|
|
|
} |
308
|
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|
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|
|
309
|
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|
############################################################################### |
310
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|
|
|
|
# |
311
|
|
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|
|
|
|
# stop - do a die |
312
|
|
|
|
|
|
|
# |
313
|
|
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|
|
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|
############################################################################### |
314
|
|
|
|
|
|
|
|
315
|
|
|
|
|
|
|
sub stop { |
316
|
|
|
|
|
|
|
|
317
|
0
|
|
|
0
|
1
|
|
my ($reason) = @_; |
318
|
|
|
|
|
|
|
|
319
|
|
|
|
|
|
|
# say it in NEON |
320
|
0
|
|
|
|
|
|
yell($reason); |
321
|
0
|
|
|
|
|
|
exit; |
322
|
|
|
|
|
|
|
|
323
|
|
|
|
|
|
|
} |
324
|
|
|
|
|
|
|
|
325
|
|
|
|
|
|
|
|
326
|
|
|
|
|
|
|
############################################################################### |
327
|
|
|
|
|
|
|
# |
328
|
|
|
|
|
|
|
# clear - clear the screen |
329
|
|
|
|
|
|
|
# |
330
|
|
|
|
|
|
|
############################################################################### |
331
|
|
|
|
|
|
|
|
332
|
|
|
|
|
|
|
sub clear { |
333
|
|
|
|
|
|
|
|
334
|
0
|
0
|
|
0
|
1
|
|
if ($clear) { |
335
|
|
|
|
|
|
|
|
336
|
|
|
|
|
|
|
# re-use if cached |
337
|
0
|
|
|
|
|
|
print $clear; |
338
|
|
|
|
|
|
|
} else { |
339
|
0
|
|
|
|
|
|
$clear = system("/usr/bin/clear"); |
340
|
|
|
|
|
|
|
} |
341
|
|
|
|
|
|
|
} |
342
|
|
|
|
|
|
|
|
343
|
|
|
|
|
|
|
############################################################################### |
344
|
|
|
|
|
|
|
# |
345
|
|
|
|
|
|
|
# yell - say something loudly!!! |
346
|
|
|
|
|
|
|
# |
347
|
|
|
|
|
|
|
############################################################################### |
348
|
|
|
|
|
|
|
|
349
|
|
|
|
|
|
|
sub yell { |
350
|
|
|
|
|
|
|
|
351
|
0
|
|
|
0
|
1
|
|
my ($something) = @_; |
352
|
|
|
|
|
|
|
|
353
|
|
|
|
|
|
|
# say it in NEON |
354
|
0
|
|
|
|
|
|
say($neonlight . $something . RESET); |
355
|
|
|
|
|
|
|
|
356
|
|
|
|
|
|
|
} |
357
|
|
|
|
|
|
|
|
358
|
|
|
|
|
|
|
|
359
|
|
|
|
|
|
|
############################################################################### |
360
|
|
|
|
|
|
|
# |
361
|
|
|
|
|
|
|
# highlight_options - take a string and highlight any options you find |
362
|
|
|
|
|
|
|
# |
363
|
|
|
|
|
|
|
############################################################################### |
364
|
|
|
|
|
|
|
|
365
|
|
|
|
|
|
|
sub highlight_options { |
366
|
|
|
|
|
|
|
|
367
|
0
|
|
|
0
|
1
|
|
my ($string) = @_; |
368
|
|
|
|
|
|
|
|
369
|
|
|
|
|
|
|
# highlight everything after [ |
370
|
0
|
|
|
|
|
|
$string =~ s/\[/\[$highlight/g; |
371
|
0
|
|
|
|
|
|
$string =~ s/\]/$reset\]/g; |
372
|
|
|
|
|
|
|
|
373
|
0
|
|
|
|
|
|
return $string; |
374
|
|
|
|
|
|
|
|
375
|
|
|
|
|
|
|
} |
376
|
|
|
|
|
|
|
|
377
|
|
|
|
|
|
|
|
378
|
|
|
|
|
|
|
############################################################################### |
379
|
|
|
|
|
|
|
# |
380
|
|
|
|
|
|
|
# trace - debugging aid |
381
|
|
|
|
|
|
|
# |
382
|
|
|
|
|
|
|
############################################################################### |
383
|
|
|
|
|
|
|
|
384
|
|
|
|
|
|
|
sub trace { |
385
|
|
|
|
|
|
|
|
386
|
0
|
|
|
0
|
1
|
|
my ($message) = @_; |
387
|
|
|
|
|
|
|
|
388
|
0
|
|
|
|
|
|
notify(caller() . " - $message"); |
389
|
|
|
|
|
|
|
|
390
|
|
|
|
|
|
|
} |
391
|
|
|
|
|
|
|
|
392
|
|
|
|
|
|
|
|
393
|
|
|
|
|
|
|
############################################################################### |
394
|
|
|
|
|
|
|
# |
395
|
|
|
|
|
|
|
# dump - debugging aid |
396
|
|
|
|
|
|
|
# |
397
|
|
|
|
|
|
|
############################################################################### |
398
|
|
|
|
|
|
|
|
399
|
|
|
|
|
|
|
sub dump { |
400
|
|
|
|
|
|
|
|
401
|
0
|
|
|
0
|
1
|
|
my ($variable) = @_; |
402
|
|
|
|
|
|
|
|
403
|
0
|
|
|
|
|
|
trace(Dumper($variable)); |
404
|
|
|
|
|
|
|
|
405
|
|
|
|
|
|
|
} |
406
|
|
|
|
|
|
|
|
407
|
|
|
|
|
|
|
|
408
|
|
|
|
|
|
|
############################################################################### |
409
|
|
|
|
|
|
|
# |
410
|
|
|
|
|
|
|
# prompt - prompt for something loudly!!! |
411
|
|
|
|
|
|
|
# |
412
|
|
|
|
|
|
|
############################################################################### |
413
|
|
|
|
|
|
|
|
414
|
|
|
|
|
|
|
sub prompt { |
415
|
|
|
|
|
|
|
|
416
|
0
|
|
|
0
|
1
|
|
my ($prompt) = @_; |
417
|
|
|
|
|
|
|
|
418
|
|
|
|
|
|
|
# say it in NEON |
419
|
0
|
|
|
|
|
|
print $neonlight . $prompt . RESET . "> "; |
420
|
|
|
|
|
|
|
|
421
|
0
|
|
|
|
|
|
return get_response(); |
422
|
|
|
|
|
|
|
|
423
|
|
|
|
|
|
|
} |
424
|
|
|
|
|
|
|
|
425
|
|
|
|
|
|
|
############################################################################### |
426
|
|
|
|
|
|
|
# |
427
|
|
|
|
|
|
|
# notify - say something and pause for a while |
428
|
|
|
|
|
|
|
# |
429
|
|
|
|
|
|
|
############################################################################### |
430
|
|
|
|
|
|
|
|
431
|
|
|
|
|
|
|
sub notify { |
432
|
|
|
|
|
|
|
|
433
|
0
|
|
|
0
|
1
|
|
my ($string) = @_; |
434
|
|
|
|
|
|
|
|
435
|
0
|
|
|
|
|
|
say($string); |
436
|
|
|
|
|
|
|
|
437
|
|
|
|
|
|
|
# pause for a keystroke |
438
|
0
|
|
|
|
|
|
get_key(); |
439
|
|
|
|
|
|
|
|
440
|
|
|
|
|
|
|
} |
441
|
|
|
|
|
|
|
|
442
|
|
|
|
|
|
|
############################################################################### |
443
|
|
|
|
|
|
|
# |
444
|
|
|
|
|
|
|
# get_key - return a single keystroke |
445
|
|
|
|
|
|
|
# |
446
|
|
|
|
|
|
|
############################################################################### |
447
|
|
|
|
|
|
|
|
448
|
|
|
|
|
|
|
sub get_key { |
449
|
|
|
|
|
|
|
|
450
|
|
|
|
|
|
|
# see recipe 15.6 Perl Cookbook |
451
|
0
|
|
|
0
|
1
|
|
ReadMode('cbreak'); |
452
|
0
|
|
|
|
|
|
my $char = ReadKey(0); |
453
|
0
|
|
|
|
|
|
ReadMode('normal'); |
454
|
0
|
|
|
|
|
|
return $char; |
455
|
|
|
|
|
|
|
|
456
|
|
|
|
|
|
|
} |
457
|
|
|
|
|
|
|
|
458
|
|
|
|
|
|
|
############################################################################### |
459
|
|
|
|
|
|
|
# |
460
|
|
|
|
|
|
|
# ask_with_completion - ask with tab completion - <cntrl d> for a list of possibles |
461
|
|
|
|
|
|
|
# |
462
|
|
|
|
|
|
|
############################################################################### |
463
|
|
|
|
|
|
|
|
464
|
|
|
|
|
|
|
sub ask_with_completion { |
465
|
|
|
|
|
|
|
|
466
|
0
|
|
|
0
|
1
|
|
my ($question, @list) = @_; |
467
|
|
|
|
|
|
|
|
468
|
0
|
|
|
|
|
|
return Complete($question, @list); |
469
|
|
|
|
|
|
|
|
470
|
|
|
|
|
|
|
} |
471
|
|
|
|
|
|
|
|
472
|
|
|
|
|
|
|
############################################################################### |
473
|
|
|
|
|
|
|
# |
474
|
|
|
|
|
|
|
# get_response - return a response |
475
|
|
|
|
|
|
|
# |
476
|
|
|
|
|
|
|
############################################################################### |
477
|
|
|
|
|
|
|
|
478
|
|
|
|
|
|
|
sub get_response { |
479
|
|
|
|
|
|
|
|
480
|
|
|
|
|
|
|
# restore line reading mode - turned off by WebDBLite? |
481
|
0
|
|
|
0
|
1
|
|
$/ = "\n"; |
482
|
|
|
|
|
|
|
|
483
|
0
|
|
|
|
|
|
my $response = <STDIN>; |
484
|
|
|
|
|
|
|
|
485
|
|
|
|
|
|
|
# strip leading and trailing spaces |
486
|
0
|
|
|
|
|
|
$response =~ s/^\s+//g; |
487
|
0
|
|
|
|
|
|
$response =~ s/\s+$//g; |
488
|
|
|
|
|
|
|
|
489
|
0
|
|
|
|
|
|
return $response; |
490
|
|
|
|
|
|
|
|
491
|
|
|
|
|
|
|
} |
492
|
|
|
|
|
|
|
|
493
|
|
|
|
|
|
|
############################################################################### |
494
|
|
|
|
|
|
|
# |
495
|
|
|
|
|
|
|
# ask_for_key - prompt for a single key |
496
|
|
|
|
|
|
|
# |
497
|
|
|
|
|
|
|
############################################################################### |
498
|
|
|
|
|
|
|
|
499
|
|
|
|
|
|
|
sub ask_for_key { |
500
|
|
|
|
|
|
|
|
501
|
0
|
|
|
0
|
1
|
|
my ($question) = @_; |
502
|
|
|
|
|
|
|
|
503
|
0
|
|
|
|
|
|
print $question . " "; |
504
|
|
|
|
|
|
|
|
505
|
0
|
|
|
|
|
|
my $key = get_key(); |
506
|
|
|
|
|
|
|
|
507
|
0
|
|
|
|
|
|
print "\n"; |
508
|
|
|
|
|
|
|
|
509
|
0
|
|
|
|
|
|
return $key; |
510
|
|
|
|
|
|
|
|
511
|
|
|
|
|
|
|
} |
512
|
|
|
|
|
|
|
|
513
|
|
|
|
|
|
|
1; |
514
|
|
|
|
|
|
|
|
515
|
|
|
|
|
|
|
|
516
|
|
|
|
|
|
|
__END__ |
517
|
|
|
|
|
|
|
|
518
|
|
|
|
|
|
|
=head1 NAME |
519
|
|
|
|
|
|
|
|
520
|
|
|
|
|
|
|
Goo::Prompter - Prompt the user for info. |
521
|
|
|
|
|
|
|
|
522
|
|
|
|
|
|
|
=head1 SYNOPSIS |
523
|
|
|
|
|
|
|
|
524
|
|
|
|
|
|
|
use Goo::Prompter; |
525
|
|
|
|
|
|
|
|
526
|
|
|
|
|
|
|
=head1 DESCRIPTION |
527
|
|
|
|
|
|
|
|
528
|
|
|
|
|
|
|
=head1 METHODS |
529
|
|
|
|
|
|
|
|
530
|
|
|
|
|
|
|
=over |
531
|
|
|
|
|
|
|
|
532
|
|
|
|
|
|
|
=item pick_command |
533
|
|
|
|
|
|
|
|
534
|
|
|
|
|
|
|
pick a command from a list |
535
|
|
|
|
|
|
|
|
536
|
|
|
|
|
|
|
=item pick_some |
537
|
|
|
|
|
|
|
|
538
|
|
|
|
|
|
|
pick more than one answer to a question |
539
|
|
|
|
|
|
|
|
540
|
|
|
|
|
|
|
=item pick_one |
541
|
|
|
|
|
|
|
|
542
|
|
|
|
|
|
|
pick one from the list? |
543
|
|
|
|
|
|
|
|
544
|
|
|
|
|
|
|
=item confirm |
545
|
|
|
|
|
|
|
|
546
|
|
|
|
|
|
|
yes or no? - default to "y"es |
547
|
|
|
|
|
|
|
|
548
|
|
|
|
|
|
|
=item insist |
549
|
|
|
|
|
|
|
|
550
|
|
|
|
|
|
|
ask a question and insist on an answer |
551
|
|
|
|
|
|
|
|
552
|
|
|
|
|
|
|
=item ask |
553
|
|
|
|
|
|
|
|
554
|
|
|
|
|
|
|
ask a question |
555
|
|
|
|
|
|
|
|
556
|
|
|
|
|
|
|
=item keep_asking |
557
|
|
|
|
|
|
|
|
558
|
|
|
|
|
|
|
keep asking the same question |
559
|
|
|
|
|
|
|
|
560
|
|
|
|
|
|
|
=item say |
561
|
|
|
|
|
|
|
|
562
|
|
|
|
|
|
|
say something like in Perl6 |
563
|
|
|
|
|
|
|
|
564
|
|
|
|
|
|
|
=item show_title |
565
|
|
|
|
|
|
|
|
566
|
|
|
|
|
|
|
say something on a green background! - this is The Goo! |
567
|
|
|
|
|
|
|
|
568
|
|
|
|
|
|
|
=item stop |
569
|
|
|
|
|
|
|
|
570
|
|
|
|
|
|
|
say something and then stop |
571
|
|
|
|
|
|
|
|
572
|
|
|
|
|
|
|
=item clear |
573
|
|
|
|
|
|
|
|
574
|
|
|
|
|
|
|
clear the screen |
575
|
|
|
|
|
|
|
|
576
|
|
|
|
|
|
|
=item yell |
577
|
|
|
|
|
|
|
|
578
|
|
|
|
|
|
|
say something loudly!!! |
579
|
|
|
|
|
|
|
|
580
|
|
|
|
|
|
|
=item highlight_options |
581
|
|
|
|
|
|
|
|
582
|
|
|
|
|
|
|
take a string and highlight any options you find |
583
|
|
|
|
|
|
|
|
584
|
|
|
|
|
|
|
=item trace |
585
|
|
|
|
|
|
|
|
586
|
|
|
|
|
|
|
print a trace message as a debugging aid |
587
|
|
|
|
|
|
|
|
588
|
|
|
|
|
|
|
=item dump |
589
|
|
|
|
|
|
|
|
590
|
|
|
|
|
|
|
use Data::Dumper to show the contents of a variable |
591
|
|
|
|
|
|
|
|
592
|
|
|
|
|
|
|
=item prompt |
593
|
|
|
|
|
|
|
|
594
|
|
|
|
|
|
|
prompt for something loudly!!! |
595
|
|
|
|
|
|
|
|
596
|
|
|
|
|
|
|
=item notify |
597
|
|
|
|
|
|
|
|
598
|
|
|
|
|
|
|
say something and pause for a while |
599
|
|
|
|
|
|
|
|
600
|
|
|
|
|
|
|
=item get_key |
601
|
|
|
|
|
|
|
|
602
|
|
|
|
|
|
|
return a single keystroke |
603
|
|
|
|
|
|
|
|
604
|
|
|
|
|
|
|
=item ask_with_completion |
605
|
|
|
|
|
|
|
|
606
|
|
|
|
|
|
|
ask with tab completion - <cntrl d> shows a list of possible alternatives |
607
|
|
|
|
|
|
|
|
608
|
|
|
|
|
|
|
=item get_response |
609
|
|
|
|
|
|
|
|
610
|
|
|
|
|
|
|
return a response |
611
|
|
|
|
|
|
|
|
612
|
|
|
|
|
|
|
=item ask_for_key |
613
|
|
|
|
|
|
|
|
614
|
|
|
|
|
|
|
prompt for a single key |
615
|
|
|
|
|
|
|
|
616
|
|
|
|
|
|
|
=back |
617
|
|
|
|
|
|
|
|
618
|
|
|
|
|
|
|
=head1 AUTHOR |
619
|
|
|
|
|
|
|
|
620
|
|
|
|
|
|
|
Nigel Hamilton <nigel@trexy.com> |
621
|
|
|
|
|
|
|
|
622
|
|
|
|
|
|
|
=head1 SEE ALSO |
623
|
|
|
|
|
|
|
|