# Just . combinator.inc or source combinator.inc
# After that,
echo "You can (manually):"
echo "- header data.csv"
echo "- fill data.csv magyar rand"
echo "Or create comparison for a specific data kind:"
echo "- genfor rand data.csv"
echo "Or just a big default mess:"
echo "- generate data.csv"
echo "To cleanup data for libreoffice calc (hungarian one that is):"
echo "- cleanup data.csv"
echo ""
echo "The generate gives a 'default set' that you can add your missing stuff with further 'fill' commands if needed"

basefile=5000000.txt

declare -a definputs=("worst" "smallrange" "rand" "constant")
declare -a sortalgs=(`awk '/worst/{getline; last=1} last{for(x=1;x<=NF;++x) print $x}' ORS=' ' $basefile`)

# header data.csv
header() {
	outfile="$1"

	echo -n 'alg	' > "$outfile"
	awk 'BEGINFILE{n=""} {if(n =="") n = $2} ENDFILE{print n}' ORS='\t' `ls -tr --time=birth *.txt` | sed 's/,$//' >> "$outfile"
	echo "" >> "$outfile"
}

# fill data.csv magyar rand
fill() {
	outfile="$1"
	alg="$2"
	input="$3"

	col=$(cat $basefile | grep copy | sed 's/^\s*//' | awk "{out[NR] = \$1} END {for(i=1;i<=NR;i++) if(out[i] == \"$alg\") print i;}" RS=' +')

	echo -n "$alg-$input	" >> "$outfile"
	awk "/$input/{print \$($col+1)}" ORS='\t' `ls -tr --time=birth *.txt` >> "$outfile"
	echo "" >> "$outfile"
}

# genfor "rand" data.csv
genfor() {
	inp="$1"
	outfile="$2"
	header "$outfile"
	for alg in "${sortalgs[@]}"; do
		echo -n "Adding $alg-"; echo "$inp"
		fill "$outfile" "$alg" "$inp"
	done
}

# generate data.csv
generate() {
	outfile="$1"
	header "$outfile"

	for inp in "${definputs[@]}"; do
		genfor "$inp" "$outfile"
	done
}

# cleanup data.csv prepared.csv
cleanup() {
	in="$1"
	out="$2"
	sed "s/\([0-9][0-9]*\)\.\([0-9][0-9]*\)s*/\1,\2/g" "$in" > "$out"
}