From 0b6fbbd4534285131e84193a160fbb55c8a885a7 Mon Sep 17 00:00:00 2001
From: AndreaGuarracino <andreaguarracino@outlook.com>
Date: Mon, 23 Oct 2023 15:59:12 -0500
Subject: [PATCH] fix parameter parsing

---
 pggb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pggb b/pggb
index c3b7b68..1e8504d 100755
--- a/pggb
+++ b/pggb
@@ -629,7 +629,11 @@ if [[ $vcf_spec != false ]]; then
     for s in $( echo "$vcf_spec" | tr ',' ' ' );
     do
         ref=$(echo "$s" | cut -f 1 -d: )
-        pop_length=$(echo "$s" | cut -f 2 -d: )
+        if [[ "$s" == *":"* ]]; then
+            pop_length=$(echo "$s" | cut -f 2 -d: )
+        else
+            pop_length=""
+        fi
         if [[ -z $pop_length ]]; then
           pop_length=0
         fi