mplayer_tmux.sh

#!/bin/zsh

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 $cha | wc -c | tr -d ' '`
fil=$dir/info.s

if [ -e $fil ]; then
    i=`cat $fil | tail -n 1`
    if [ $i -le $sum ]; then
        a=`expr $i + 4`
        b=$i"-"$a
        c=`cat $dir/info.txt | grep FILE | tail -n 1 | cut -d '/' -f 6 | cut -b $b | tr -d '\n'` > /dev/null
        echo -ne "$c"
        echo $a >> $fil
    else
        c=`cat $dir/info.txt | grep FILE | tail -n 1 | cut -d '/' -f 6 | cut -b 1-4 | tr -d '\n'` > /dev/null
        echo -ne "$c"
        rm $fil
    fi
else
    c=`cat $dir/info.txt | grep FILE | tail -n 1 | cut -d '/' -f 6 | cut -b 1-4 | tr -d '\n'` > /dev/null
    echo -ne "$c"
    echo 1 > $fil
fi