simple output templates with bash

#!/bin/bash
# tivasyk <[email protected]>

# Template
TEMPLATE="<YELLOW><HOSTNAME><NORMAL><TAB>| <DATE>, <TIME>"

PRINT="${TEMPLATE}"
# Substitute colors
PRINT="${PRINT//<YELLOW>/$(tput setaf 3)}"
PRINT="${PRINT//<NORMAL>/$(tput sgr0)}"
# Substitute formatting
TAB=$(echo -e '\t')
PRINT="${PRINT//<TAB>/${TAB}}"
# Substitute tags
PRINT="${PRINT//<HOSTNAME>/$(hostname)}"
PRINT="${PRINT//<DATE>/$(date +'%Y-%m-%d')}"
PRINT="${PRINT//<TIME>/$(date +'%H:%M')}"

printf "Template: %s\n" "${TEMPLATE}"
printf "Substit.: %s\n" "${PRINT}"