rmetzger commented on a change in pull request #13260:
URL: https://github.com/apache/flink/pull/13260#discussion_r481140585
##########
File path: tools/ci/watchdog.sh
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@@ -38,8 +38,26 @@ CMD_EXIT="/tmp/watchdog.exit"
# Utility functions
# =============================================
+max_of() {
+ local max number
+
+ max="$1"
+
+ for number in "${@:2}"; do
+ if ((number > max)); then
+ max="$number"
+ fi
+ done
+
+ printf '%d\n' "$max"
Review comment:
Well, my code is (of course) inspired by Stackoverflow.
But there seems to be some arguments why printf is better than echo:
https://unix.stackexchange.com/questions/65803/why-is-printf-better-than-echo
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