Check if file exists and not empty.

workflow/tests/plot_profile.bats

@@ -11,8 +11,8 @@ profile_script="./workflow/scripts/plot_profile.sh"
   source ${profile_script}
   run compute_matrix test_data/ENCSR238SGC_pooled.fc_signal.bw /project/shared/bicf_workflow_ref/mouse/GRCm38/gencode.vM20.annotation.gtf
   FILE=computeMatrix.gz
-  if [[ -f "$FILE" ]]; then
-      echo "$FILE exist"
+  if [[ -s "$FILE" ]]; then
+      echo "$FILE exists and not empty"
   fi
 }
 
@@ -20,7 +20,7 @@ profile_script="./workflow/scripts/plot_profile.sh"
   source ${profile_script}
   run plot_profile computeMatrix.gz
   FILE=plotProfile.png
-  if [[ -f "$FILE" ]]; then
-      echo "$FILE exist"
+  if [[ -s "$FILE" ]]; then
+      echo "$FILE exists and not empty"
   fi
 }