timeEpochNS() {
# Desc: Get epoch nanoseconds
# Usage: timeEpochNS
- # Version 0.2.1
+ # Version 0.2.2
# Input: arg1: 'date'-parsable timestamp string (optional)
# Output: Nanoseconds since 1970-01-01
# Depends: date 8, yell()
TIME_EPOCH_FLOAT="$(date --date="$TIME_INPUT" +%s.%N)"; # Save ssss.NNNNNNNNN
TIME_EPOCH_INT="$(echo "$TIME_EPOCH_FLOAT" | cut -d. -f1)"; # Get ssss
TIME_EPOCH_NSFRAC="$(echo "$TIME_EPOCH_FLOAT" | cut -d. -f2)"; # Get NNNNNNNNN
- TIME_EPOCH_NS="$(( (10#"$TIME_EPOCH_INT" * 1000000000) + (10#"$TIME_EPOCH_NSFRAC") ))";
+ TIME_EPOCH_NS="$(( (10#"$TIME_EPOCH_INT" * 10**9) + (10#"$TIME_EPOCH_NSFRAC") ))";
echo "$TIME_EPOCH_NS";
} # Nanoseconds since 1970-01-01