sh_kits

#!/bin/bash
set -o nounset
set -o errexit
set -o verbose
set -o xtrace

log() {
    local prefix="[$(date +%Y/%m/%d\ %H:%M:%S)]:"
    echo "${prefix} $@" >&2
}

log "test"

# syntax check
# bash -n log.sh
#
# debug
# bash -x log.sh