Parse "nfsstat -l" file to time serial, for gnuplot using

nfs_stat.sh

#!/bin/sh
while true
do
 D=$(date +%s)
 nfsstat -l > /home/XXX_USER/nfsstat_log/$D
 sleep 5
done

nfsstat_time_serialze.sh

#!/bin/bash

# Run below script a while to get data
# while true; do D=$(date +%s);nfsstat -l > /home/XXX_USER/nfsstat_log/$D; sleep5;done
p="/home/XXX_USER/nfs_plot"
files=$(ls ~/nfsstat_log/)

for file in $files
do
  while read -r f1 f2 f3 f4 f5 f6;
  do
    echo ${file} ${f2}_${f3}_${f4} ${f5}
    echo ${file} ${f5} >> ${f2}_${f3}_${f4}.txt
  done < ~/nfsstat_log/${file}
done