benchmark

#!/bin/bash
#
# @author Stephen J. Carnam
# @license GNU GENERAL PUBLIC LICENSE Version 2
# @link https://steveorevo.com
#

# Check if a command is provided
if [ -z "$1" ]; then
  echo "Usage: benchmark <command>"
  exit 1
fi

# Capture the start time in nanoseconds
start_time=$(date +%s%N)

# Run the provided command
"$@"

# Capture the end time in nanoseconds
end_time=$(date +%s%N)

# Calculate the elapsed time in seconds with fractional seconds
elapsed_time=$(echo "scale=6; ($end_time - $start_time) / 1000000000" | bc)

# Format the elapsed time
minutes=$(echo "$elapsed_time / 60" | bc)
seconds=$(echo "$elapsed_time % 60" | bc)

if (( $(echo "$minutes > 0" | bc -l) )); then
  printf "Time taken: %d minutes and %.6f seconds\n" "$minutes" "$seconds"
else
  printf "Time taken: %.6f seconds\n" "$seconds"
fi