#!/bin/sh
# url: http://pank.org/scripts/
# description: generate random file
# comment: bash
# platform: all

OUTPUT=$1
LENGTH=$2
if [ -z $2 ] ; then
    echo "`basename $0` {output-file} {length}"
else
    > $OUTPUT
    for ((i=0;i<$LENGTH;i++))
    do
        H=`printf '%X' $[RANDOM/128]`
        printf "\x$H" >> $OUTPUT
    done
fi