Merge branch 'make-sasid-optional' into 'main'

Make SASID an optional parameter

See merge request !11

tests/pipeline_minimal_input.json

+{
+    "msin": [
+        {
+            "class": "Directory",
+            "path": "/var/scratch/veldhuis/data/raw/L888536_SAP000_SB026_uv.MS"
+        }
+    ],
+    "demix_timestep": 10,
+    "demix_freqstep": 64,
+    "avg_timestep": 1,
+    "avg_freqstep": 4
+}

workflows/pipeline.cwl

@@ -8,7 +8,7 @@ doc: |
 
 inputs:
   - id: sasid
-    type: string
+    type: string?
     doc: SAS process identifier
   - id: msin
     type: Directory[]
@@ -159,7 +159,13 @@ steps:
         source: dysco_weightbitrate
       - id: msout_name
         source: msin
-        valueFrom: $("L" + inputs.sasid + self.basename.slice(self.basename.indexOf("_")))
+        valueFrom: |
+          ${
+            if (inputs.sasid === undefined || inputs.sasid === null || inputs.sasid.trim().length === 0) {
+              return self.basename;
+            }
+            return "L" + inputs.sasid + self.basename.slice(self.basename.indexOf("_"));
+          }
       - id: dp3_checkparset
         source: dp3_checkparset
       - id: dp3_numthreads
@@ -182,4 +188,3 @@ requirements:
   - class: InlineJavascriptRequirement
   - class: ScatterFeatureRequirement
   - class: StepInputExpressionRequirement
-