Allow print pretty-json for multiple entities

Author: anthony-cros

src/main/scala/gallia/heads/HeadsOut.scala

@@ -101,9 +101,10 @@ trait HeadZOut { ignored: HeadZ =>
   // ---------------------------------------------------------------------------
   def printString   () = { printJsonLines }
 
-  def printJsonl    () = { printJsonLines }
-  def printJsonLines() = { write(_.stdout.jsonLines); () }
-  def printJsonArray() = { write(_.stdout.jsonArray); () }
+  def printJsonl      () = { printJsonLines }
+  def printJsonLines  () = { write(_.stdout.jsonLines)  ; () }
+  def printJsonArray  () = { write(_.stdout.jsonArray)  ; () }  
+  def printPrettyJsons() = { write(_.stdout.prettyJsons); () }
 
   // ---------------------------------------------------------------------------
   def printTable()           = {          write(_.stdout.tsv); () }

src/main/scala/gallia/io/out/WriteFluency.scala

@@ -83,8 +83,10 @@ class OtherFluencyU(outlet: OutletType) extends EndWriteUFluency {
     // TODO: t210104111151 - offer to write JSON array as one-liner (though we want to discourage its use)?
     def jsonl = jsonLines
 
-      def jsonLines = endOtherZ(IoTypeZ.JsonLines, outlet)
-      def jsonArray = endOtherZ(IoTypeZ.JsonArray, outlet)
+      def jsonLines   = endOtherZ(IoTypeZ.JsonLines, outlet)
+      def jsonArray   = endOtherZ(IoTypeZ.JsonArray, outlet)
+      
+      def prettyJsons = endOtherZ(IoTypeZ.JsonPrettyLines, outlet)
 
     // ---------------------------------------------------------------------------
     def table(sep: Char): OtherTableFluency = new OtherTableFluency(OtherTableConf(outlet).sep(sep))