1 files changed, 16 insertions, 14 deletions
diff --git a/lib/sisu/v4/options.rb b/lib/sisu/v4/options.rb
index 724fd9a9..0608df4e 100644
--- a/lib/sisu/v4/options.rb
+++ b/lib/sisu/v4/options.rb
@@ -1029,36 +1029,38 @@ module SiSU_Commandline
       @lng_base
     end
     def fno
-      @fno=fns[/(.+?(?:sst|ssm))(?:\.sst)?/,1]
+      @fno=(fns.nil? || fns.empty?) \
+      ? '' \
+      : (fns[/(.+?(?:sst|ssm))(?:\.sst)?/,1])
     end
     def fng
-      @fng=fno.gsub(/(?:~(?:#{Px[:lng_lst_rgx]}))?(\.ss[tm])$/,'\1')
+      @fng=(fno.nil? || fno.empty?) \
+      ? '' \
+      : (fno.gsub(/(?:~(?:#{Px[:lng_lst_rgx]}))?(\.ss[tm])$/,'\1'))
     end
     def fns
       @fns
     end
     def fnl
-      x=@fns.gsub(/(\S+?)((?:\.ssm)?\.sst)/,"\\1.#{lng}\\2")
+      @fns.gsub(/(\S+?)((?:\.ssm)?\.sst)/,"\\1.#{lng}\\2")
     end
     def what
       @what
     end
     def fnb
-      unless fns.empty?
-        fns[/(.+?)\.(?:(?:-|ssm\.)?sst|ssm)$/,1]
-      end
+      (fns.nil? || fns.empty?) \
+      ? '' \
+      : (fns[/(.+?)\.(?:(?:-|ssm\.)?sst|ssm)$/,1])
     end
     def fnc
-      @fnc=if @fns =~/\.(?:ssm\.sst|ssm)$/
-        fnb + '.ssm.sst'
-      else @fns
-      end
+      @fnc=(@fns =~/\.(?:ssm\.sst|ssm)$/) \
+      ? fnb + '.ssm.sst'
+      : @fns
     end
     def fncb
-      @fncb=if @fns =~/(?:\~\S{2,3})?\.(?:ssm\.sst|ssm)$/
-        fnb + '.ssm.sst'
-      else @fns.gsub(/(?:\~\S{2,3})?(\.sst)$/,'\1')
-      end
+      @fncb=(@fns =~/(?:\~\S{2,3})?\.(?:ssm\.sst|ssm)$/) \
+      ? fnb + '.ssm.sst'
+      : @fns.gsub(/(?:\~\S{2,3})?(\.sst)$/,'\1')
     end
   end
 end