a shell script to delete Rust's `target` directory everywhere

delete_target_dirs.sh

#!/bin/sh

CYAN="\033[36m"
GREEN="\033[32m"
RESET="\033[0m"

total_size=0
count=0

BASE_DIR="."

# Allow the base directory to be specified as an argument
if [ "$1" ]; then
	BASE_DIR="$1"
fi

# Print the checking message
printf "Checking directories...\n"

while IFS= read -r -d '' dir; do
	if [ -f "$(dirname "$dir")/Cargo.toml" ]; then
		dir_size=$(du -sb "$dir" | awk '{print $1}')
		total_size=$((total_size + dir_size))
		human_size=$(numfmt --to=iec --suffix=B "$dir_size")
		rm -rf "$dir"
		printf "Deleted ${CYAN}%s${RESET} (${CYAN}%s${RESET})\n" "$dir" "$human_size"
		count=$((count + 1))
	fi
done < <(find "$BASE_DIR" -name "target" -type d -prune -print0 2>/dev/null)

total_human_size=$(numfmt --to=iec --suffix=B "$total_size")
printf "Successfully deleted ${GREEN}%d${RESET} directories, saving ${GREEN}%s${RESET}\n" "$count" "$total_human_size"