# *******************************************************

# This function make a file rotation.

#

# @param $1 - The path to the file (logfile path)

# @param $2 - The rotation interval (default:7)

# @param $3 - Empty the original file (default:0)

# @return void

#

function file_rotate () {

local file=$1

local maxlog=${2:-7}

local empty=${3:-0}

for j in $(seq $((maxlog-1)) -1 1); do

        mv ${file}"."{$j,$((j+1))} 2>/dev/null

done

# Copy the original file to file.1

[ -f "${file}" ] && cp ${file} ${file}.1

# Clean the original file

[ ${empty} -eq 1 ] && echo -n >${file}

}