18a7959f18910bf26ec02f4ae21b839024d94230
angie
  Wed Feb 8 20:52:35 2023 -0800
Fixed some bash syntax so the usage message appears when needed.

diff --git src/hg/utils/otto/sarscov2phylo/updateCombinedTree.sh src/hg/utils/otto/sarscov2phylo/updateCombinedTree.sh
index ccec350..314cd60 100755
--- src/hg/utils/otto/sarscov2phylo/updateCombinedTree.sh
+++ src/hg/utils/otto/sarscov2phylo/updateCombinedTree.sh
@@ -1,27 +1,27 @@
 #!/bin/bash
 set -beEu -x -o pipefail
 
 #	Do not modify this script, modify the source tree copy:
 #	kent/src/hg/utils/otto/sarscov2phylo/updateCombinedTree.sh
 
 usage() {
     echo "usage: $0 prevDate today problematicSitesVcf [baseProtobuf]"
     echo "This assumes that ncbi.latest and cogUk.latest links/directories have been updated."
 }
 
-if [ $# != 3 && $# != 4 ]; then
+if (( $# != 3 && $# != 4 )); then
   usage
   exit 1
 fi
 
 prevDate=$1
 today=$2
 problematicSitesVcf=$3
 if [ $# == 4 ]; then
     baseProtobuf=$4
 else
     baseProtobuf=
 fi
 
 ottoDir=/hive/data/outside/otto/sarscov2phylo
 cncbDir=$ottoDir/cncb.latest