beeps.sh

#!/bin/sh

function rand { foo=$1; echo $((RANDOM%foo+1)); }

function beep { 
	if [ -z $DISPLAY ]; then
		setterm -bfreq $1
	else
		xset b 100 $1 50
	fi

	echo -ne "\a";
}


function rg {
	bmult=$3 ; if [ -z $bmult ]; then bmult=5; fi

	if [ $1 -gt $2 ]; then
		by=$((-1*bmult))
	else
		by=$((1*bmult))
	fi

	for i in `seq $1 $by $2`; do
		beep $i
	done
}

function holyjeez {
		for i in `seq 0 50 1800`; do
			rg 1 $i 200 
		done
}

function whoa {
		for i in `seq 0 50 1800` ; do
			rg $i 1 200
		done
}

function zing {
	a=`rand 100`
	b=`rand 700`
	by=`rand 20` 

	rg $a $b $by 
	rg $b $a $by 
}

function hurp {
	j=0
	inc=$1
	if [ -z $inc ]; then inc=20 ; fi

	while [ "$j" -lt "400" ]; do
		rg 1600 1000 $((j+=inc))
	done
	while [ "$j" -gt "0" ] ; do
		rg 1600 1000 $((j-=inc))
	done
}