load avg, large data set

gistfile1.txt

#! /bin/bash

#if [ 0 == 1 ]; then
HOSTS=('pm.mongo1' 'pm.mongo2' 'pm.mongo3' 'pm.mongo4')

out="[new Date(\"$(date +"%F %H:%M:%S")\")"
for host in ${HOSTS[@]}; do
    load_avg=$(ssh -p 60222 atairov@$host "cat /proc/loadavg")
    read avg1 avg5 avg15 _tmp <<< $load_avg
    out="$out, $avg1, null"
    #printf "$(date +"%F %H:%m:%S"), $host: "
    #ssh -p 60222 atairov@$host "cat /proc/loadavg"
done
out="$out],";

printf "$out\n" >> load_avg_data.txt
#fi

echo $out

# read content into a variable
# avgdata=$(<load_avg_data.txt)


# добавляем слеши в конце строк, чтобы sed нормально смог совершить замену
#esc_avgdata=$(echo "$avgdata"|awk '{printf("%s\\n", $0);}')

# подставляем данные в темплейт
#sed -e "s/{ROWS_DATA}/$esc_avgdata/g" _template_graph.html > graph.html

cat _template_graph.html | php replace_stdinout.php > graph.html
cp graph.html "/home/tairov/Ubuntu One/Public/" 
echo "file://"$(pwd)"/graph.html"