initial release

Author: retrack

README.md

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+<h1>Cron Wrapper</h1>
+
+This dirty tool can execute code more frequently than 1 minute which is crontab minimum setting
+
+<h2>Warning</h2>
+
+executing stuff too frequently can be harmfull for the system. This wrapper does not verifies if the previous execution is finished or not.
+
+<b>ENSURE THAT THE CODE IS FINISHING QUICKLY</b>
+
+<h2>Usage</h2>
+
+Add to cron, where X is the delay between executions in seconds
+
+*/1 * * * * /root/bin/wrapper X
+
+For exemple : every 10 seconds
+
+*/1 * * * * /root/bin/wrapper 10
+
+
+
+
+
+
+
+
+

wrapper

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+#!/bin/bash
+# Wrapper
+
+# Initialisation
+if [ "$1" == "" ]; then
+exit 1
+fi
+
+interval=$1
+
+
+next=$(date +%M | awk -v interval=$interval '{ print int($0 * 60 % interval) }')
+
+if [ $next -gt 0 ]; then
+next=$(echo $next | awk -v interval=$interval '{print interval - $0}')
+fi
+
+
+for i in $(seq $next $interval 59)
+do
+(sleep $i; echo "do stuff") &
+done