#!/bin/bash
#
# Save to separate variables
hour=$(date +%H)
minute=$(date +%M)
#
hr="-i /mp3/Time/HRS${hour}_O.mp3"
#
if ! [ $minute == "00" ]; then
     hr="$hr -i /mp3/Time/MIN${minute}.mp3 -filter_complex "[0:a][1:a]concat=n=2:v=0:a=1" "
fi
#
ffmpeg  -loglevel quiet -re $hr -c:a libmp3lame -b:a 128k -f mp3 -t 10 \
        icecast://source:hackme@localhost:1080/stream
#