Easily alterable cron skeleton with seconds-granularity

micron.sh

#! /bin/sh

# micron.sh - easily alterable cron skeleton with seconds-granularity
# Copyright (c) 2016 Levi Taule
# 
# This software is provided 'as-is', without any express or implied
# warranty. In no event will the authors be held liable for any damages
# arising from the use of this software.
# 
# Permission is granted to anyone to use this software for any purpose,
# including commercial applications, and to alter it and redistribute it
# freely, subject to the following restrictions:
# 
# 1. The origin of this software must not be misrepresented; you must not
#    claim that you wrote the original software. If you use this software
#    in a product, an acknowledgement in the product documentation would be
#    appreciated but is not required.
# 2. Altered source versions must be plainly marked as such, and must not be
#    misrepresented as being the original software.
# 3. This notice may not be removed or altered from any source distribution.

# Usage: ./micron.sh INTERVAL_BETWEEN_EACH_SCRIPT_EXECUTION
# Note that each script will be run SLEEP*number-of-scripts times, not just SLEEP times
# example: ./micron.sh 12

SLEEP=$1

while [ 1 -eq 1 ]
do
	echo "Running 1.php"
	/usr/bin/php /var/www/html/1.php > /var/www/html/log.txt 2>&1
	sleep $SLEEP
	
	echo "Running 2.php"
	/usr/bin/php /var/www/html/2.php > /var/www/html/log.txt 2>&1
	sleep $SLEEP
	
	echo "Running 3.php"
	/usr/bin/php /var/www/html/3.php > /var/www/html/log.txt 2>&1
	sleep $SLEEP
done