#!/bin/sh
 
# Written by Nick Welch <nick@incise.org>.  Author disclaims copyright.
 
# TakeItEasy: re-prioritize existing process(es) to the lowest cpu and i/o
# priorities.
 
# see also: DoItEasy
 
# pass in one or more arguments, each being either a numerical pid or the name
# of a process
 
is_numeric () { echo $1 | egrep -q '^[0-9]+$'; }
 
for arg in $*
do
    if is_numeric "$arg"
    then
        pids=$arg
    else
        pids=`pidof $arg`
    fi
    for pid in $pids
    do
        sudo ionice -c3 -p $pid
        sudo renice 20 -p $pid
    done
done