Really simple Bash script to prefix input lines with the current date

predate.bash

#!/usr/bin/env bash

# Prefix stdin lines with current date and time.
# Sample usage:
#       tail -f some/file.log |predate
# Any given arguments are provided to date(1):
#       tail -f some/file.log |predate -u -Ins

while read line
do
    echo -n $(date $*)
    echo -e "\t$line"
done