From 00d3c09ddb010d1f6cfddfdfaa9dab63f7d0c36d Mon Sep 17 00:00:00 2001 From: Jon Higgs Date: Mon, 26 Feb 2018 10:11:44 +1100 Subject: [PATCH] Raise error unless interpreter supports globstar --- nextnumber | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/nextnumber b/nextnumber index ab411ac..6caa777 100755 --- a/nextnumber +++ b/nextnumber @@ -1,7 +1,10 @@ #!/bin/bash # TODO: Find a less trashy way to get the next available error code - -shopt -s globstar +if ! shopt -s globstar +then + echo "Error: This script depends on Bash 4." >&2 + exit 1 +fi for i in 1 2 do