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#!/bin/env bash
###################################################################
#Script Name : show_pid_openfile.sh
#Description : Show Pid OpenFile Top 10.
#Create Date : 2021-07-29
#Author : lework
#Email : lework@yeah.net
###################################################################
function printbar() {
title=$1
value=$2
tput setaf $((1+ ${value} % 7))
printf " %10s " "${title}"
eval "printf '█%.0s' {1..${value}}"
printf " %s %s\n\n" ${value}
tput sgr0
}
while true
do
# Show a title
tput clear
printf " %10s " ""
tput setaf 7; tput smul;
printf "%s\n\n" "Show Pid OpenFile Top 10 ($(date +%T))"
tput rmul
data=""
for proc in $(find /proc/ -maxdepth 1 -type d -name "[0-9]*")
do
fd=$(ls $proc/fd 2>/dev/null | wc -l)
if [[ $fd -gt 1 ]]; then
pid=$(echo $proc | awk -F/ '{print $3}')
data="${data}\n${pid} ${fd}"
fi
done
echo -e ${data} | sort -k2 -n -r | head -10 | while read line
do
printbar $line
done
sleep 10
done