a simple script for log rotation,

used in systems without logrotate.

#!/bin/sh

# Assignments

script=$1

num_of_rotates=$2

# Rotation

i=$num_of_rotates

while [ $i -gt 1 ]

do

   minus=`expr $i – 1`

   if [ ! -f $script.$minus ]

   then

touch $script.$minus

   fi

   mv $script.$minus $script.$i

   if [ “$minus” -eq 1 ]

   then

cp -fp $script $script.1

cp /dev/null $script

   fi

        let “i -= 1”

done