mplayer_name.sh

#!/bin/bash

dir=$HOME/Music
cha=`cat $dir/info.txt | grep FILE | tail -n 1 | cut -d '/' -f 6`
# cha=`cat $dir/info.txt | grep FILE | tail -n 1 | xargs basename`
sum=`echo $cha | wc -c | tr -d ' '`

for (( i = 1; i < $sum; i=`expr $i + 4` ))
do
    a=`expr $i + 4`
    b=$i"-"$a
    cat $dir/info.txt | grep FILE | tail -n 1 | cut -d '/' -f 6 | cut -b $b
    # cat $dir/info.txt | grep FILE | tail -n 1 | xargs basename | cut -b $b`
    sleep 0.3
done