update csvtk_join

Author: antoniasaracco

conf/modules.config

@@ -370,19 +370,26 @@ process {
     }
 
     withName: CSVTK_JOIN {
-        ext.prefix = { "${meta.id}.annotated" }
+        ext.prefix = {
+            def method = meta.params.differential_method
+            def prefix = "${meta.id}_${method}.annotated"
+            return prefix
+        }
+        ext.args = { [
+            "--fields ${meta.params.features_id_col}",
+            "--left-join",
+            "-t",
+            "-k",
+            "-T",
+            "-D \$'\t'"
+        ].join(' ').trim() }
         publishDir = [
             [
                 path: { "${params.outdir}/tables/differential_annotated" },
                 mode: params.publish_dir_mode,
                 pattern: '*.tsv'
             ]
         ]
-        ext.args = { [
-            "--fields ${meta.params.features_id_col}",
-            "--left-join",
-            "-t"
-        ].join(' ').trim() }
     }
     // ==================================================================================
     // functional enrichment modules