[script] learned - add arg for skills with zero exp

Added a new 'zero' argument to the learned script that I've found useful primarily when working with newer characters to ensure that all of the skills are moving

learned.lic

@@ -22,10 +22,12 @@ class LearnedData
       [{ name: 'lore', regex: /lore/, description: 'Show exp gained in lore skills.' }],
       [{ name: 'guild', regex: /guild/, description: 'Show exp gained in your guild skill.' }],
       [{ name: 'reset', regex: /reset/, description: 'Reset learned experience' }],
+      [{ name: 'zero', regex: /zero/, description: 'Show only skills with nothing learned' }],
       []
     ]
 
     args = parse_args(arg_definitions)
+    @zero = args.zero ? true : false
 
     survival_skills = ['Evasion', 'Athletics', 'Perception', 'Stealth', 'Locksmithing', 'Thievery', 'First Aid', 'Outdoorsmanship', 'Skinning']
     lore_skills = ['Alchemy', 'Appraisal', 'Enchanting', 'Forging', 'Mechanical Lore', 'Performance', 'Scholarship', 'Tactics', 'Outfitting', 'Engineering']
@@ -76,13 +78,25 @@ class LearnedData
     learning_time = ((Time.now - DRSkill.start_time) / 60.0 / 60)
     columns = get_settings.learned_column_count
 
-    DRSkill.list
-           .select { |item| @skills_to_show.include?(item.name) }
-           .select { |item| item.current - item.baseline > 0 }
-           .sort_by { |item| item.current - item.baseline }
-           .reverse.each_slice(columns) do |skills|
-      output = skills.map { |skill| format_skill_data(skill, learning_time) }.join
-      respond(output)
+    if @zero
+      DRSkill.list
+             .select { |item| @skills_to_show.include?(item.name) }
+             .select { |item| item.current - item.baseline == 0 }
+             .sort_by { |item| item.current - item.baseline }
+             .reverse.each_slice(columns) do |skills|
+        output = skills.map { |skill| format_skill_data(skill, learning_time) }.join
+        respond(output)
+      end
+      exit
+    else
+      DRSkill.list
+             .select { |item| @skills_to_show.include?(item.name) }
+             .select { |item| item.current - item.baseline > 0 }
+             .sort_by { |item| item.current - item.baseline }
+             .reverse.each_slice(columns) do |skills|
+        output = skills.map { |skill| format_skill_data(skill, learning_time) }.join
+        respond(output)
+      end
     end
 
     total = DRSkill.list