Simple ratio calculator

ratio.sh

#!/bin/sh

echo "Enter value for All-time upload:"
read upload

echo "Enter value for All-time download:"
read download

ratio=$(echo "scale=2; $upload/$download" | bc)

echo "Your torrent ratio is: $ratio"

# Calculate how much additional upload is required to increase the ratio by 0.01
new_ratio=$(echo "$ratio + 0.01" | bc)
required_upload=$(echo "scale=2; ($new_ratio * $download) - $upload" | bc)

echo "To increase the ratio to $new_ratio, you'll need to upload around ~${required_upload}GB of data."