From fb1bfbb06fee8a6c574fb3f91e16fc55ad4014c8 Mon Sep 17 00:00:00 2001
From: Venkat Malladi <vsmalladi@gmail.com>
Date: Sun, 17 Mar 2019 15:22:35 -0700
Subject: [PATCH] Add in if empty syntax.

---
 workflow/main.nf | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/workflow/main.nf b/workflow/main.nf
index 2fd8fd6..51c5e79 100644
--- a/workflow/main.nf
+++ b/workflow/main.nf
@@ -499,8 +499,8 @@ process softwareReport {
   file callPeaksMACS_vf from callPeaksMACSVersions.collect()
   file consensusPeaks_vf from consensusPeaksVersions.collect()
   file peakAnnotation_vf from peakAnnotationVersions.collect()
-  file motifSearch_vf from motifSearchVersions.collect()
-  file diffPeaks_vf from diffPeaksVersions.collect()
+  file motifSearch_vf from motifSearchVersions.collect().ifEmpty([])
+  file diffPeaks_vf from diffPeaksVersions.collect().ifEmpty([])
   file experimentQC_vf from experimentQCVersions.collect()
 
   output:
-- 
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