From 87d70489d103f6b7877a30953308635bb5128fa8 Mon Sep 17 00:00:00 2001
From: Tom Clegg <tom@curii.com>
Date: Tue, 3 Jan 2023 16:29:12 -0500
Subject: [PATCH] Add column headings to slice-numpy -pca sample list output.

No issue #

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@curii.com>
---
 slicenumpy.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/slicenumpy.go b/slicenumpy.go
index 73d22783bd..0e956a43d5 100644
--- a/slicenumpy.go
+++ b/slicenumpy.go
@@ -1289,6 +1289,14 @@ func (cmd *sliceNumpy) run(prog string, args []string, stdin io.Reader, stdout,
 				return err
 			}
 			defer f.Close()
+			pcaLabels := ""
+			for i := 0; i < outcols; i++ {
+				pcaLabels += fmt.Sprintf(",PCA%d", i)
+			}
+			_, err = fmt.Fprintf(f, "Index,SampleID,CaseControl,TrainingValidation%s\n", pcaLabels)
+			if err != nil {
+				return err
+			}
 			for i, si := range cmd.samples {
 				var cc, tv string
 				if si.isCase {
-- 
2.39.5