bash snippet for systemd logging functions

systemd_loging.sh

#!/bin/bash


printf_stdin() { local stdin; read -d '' -u 0 stdin; printf "$@" "$stdin"; }
exec {log_fd}> >(systemd-cat -t $(basename $0))
log_emerg()  { echo "EMERG: $1"|tee /dev/stderr| printf_stdin '<0>%s\n' "$1" >&"$log_fd"; }
log_alert()  { echo "ALERT: $1"|tee /dev/stderr| printf_stdin '<1>%s\n' "$1" >&"$log_fd"; }
log_crit()   { echo "CRIT: $1" |tee /dev/stderr| printf_stdin '<2>%s\n' "$1" >&"$log_fd"; }
log_err()    { echo "ERROR: $1"|tee /dev/stderr| printf_stdin '<3>%s\n' "$1" >&"$log_fd"; }
log_warn()   { echo "WARN: $1" |tee /dev/stderr| printf_stdin '<4>%s\n' "$1" >&"$log_fd"; }
log_notice() { echo "NOTE: $1" |tee /dev/stderr| printf_stdin '<5>%s\n' "$1" >&"$log_fd"; }
log_info()   { echo "INFO: $1" |tee /dev/stderr| printf_stdin '<6>%s\n' "$1" >&"$log_fd"; }
log_debug()  { echo "DEBUG: $1"|tee /dev/stderr| printf_stdin '<7>%s\n' "$1" >&"$log_fd"; }
log_error()  { log_err "$1";}
log_warning(){ log_warn "$1";}