Adjust how to clear a shell script env variable

diff --git a/run_cron.sh b/run_cron.sh
index 717c9706975151454b941a5f7e2aa36b8a336e46..5c81a8588d48d386ec4d4a3323c5f39f320288ec 100755 (executable)
--- a/run_cron.sh
+++ b/run_cron.sh
@@ -15,6 +15,10 @@ fi
 
 # Sanitize or set up environment
 # 1) Remove because spec.txt generation fails if set
-export -n PERL_UNICODE
+if env | grep -q '/bin/bash'; then
+  export -n PERL_UNICODE
+else
+  unset PERL_UNICODE
+fi
 
 ./run_branches.pl $@