#!/bin/bash
# wut-rm-random
#
# Does a coin flip to decide whether to remove a file or not.
# Runs on directory specified below.
#
# XXX  This script removes files and directories in data/  !!! XXX
#
# Usage:
# wut-rm-random
# Example:
# wut-rm-random

# NOTE:
# In current unvetted-CW-8k dir:
# 129*-132* = good
# 133*-135* = bad

# Number of waterfalls to keep:
KEEP=100

# this is so bad no one should ever run it again
#exit 0
# XXX Delete data in this directory! XXX
cd /srv/satnogs/data/test/unvetted/ || exit

TOTALFILES=`ls waterfall_*.png | wc -l`
for wf in waterfall_*.png
	do \
	if [ $TOTALFILES -gt $KEEP ] ; then
	         RANDFLIP=`echo $((0 + RANDOM % 2))`
		if [ $RANDFLIP = 1 ] ; then
			rm -f $wf &
		fi
	let TOTALFILES=`ls waterfall_*.png | wc -l`
	else break
	fi
done