commit 6fdc9cb84c8aab7d87ce2d92733d870434272b6e
author Zoltán Nagy <abesto0@gmail.com> Thu Sep 13 08:23:02 2018 +0200
committer GitHub <noreply@github.com> Thu Sep 13 08:23:02 2018 +0200
tree 935014b814d9aba9a25e5a47b777bff5d0c05068
parent c7ed3a2bc7089916e8a183c601e03a33e7d8a4b0
parent 30cf2512031bf870efbb735f3114aec32a30fb6e

Merge pull request #117 from openzipkin/quickstart-bash-compat

Make quickstart.sh compatible with Bash 3

quickstart.sh

diff --git a/quickstart.sh b/quickstart.sh
index d01e395..d1379ee 100755
--- a/quickstart.sh
+++ b/quickstart.sh
@@ -263,7 +263,7 @@
 
     welcome
 
-    artifact_version_lowercase="${artifact_version,,}"
+    artifact_version_lowercase="$(tr '[:upper:]' '[:lower:]' <<< "$artifact_version")"
     if [  "${artifact_version_lowercase}" = 'latest' ]; then
         printf '%s\n' "${color_title}Fetching version number of latest ${artifact_group}:${artifact_id} release...${color_reset}"
         artifact_version="$(fetch_latest_version "$artifact_group" "$artifact_id")"