lackadaisical/calm

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#!/bin/bash
#LACKSETUP
# Calm a process down
# NEEDS_WORK: cleanup
# calm <pid> == only one process
# calm <bin> == all processes that match query
# calm * == if used in proc or a folder with just PID files, if not you will get an error
# calm <pid> <bin> .... OK
# set's NICE value to 0
# need sudo
PIDS=$@
errorFn()
{
echo calm: Invalid operation or no such PID/process \(\"$(echo "$PIDS" | tr '\n' ' ' | cut -c -20)...\"\)
exit
}
for pid in $PIDS
do
# Process to PID in elegant way
NEWPIDS=$(pidof "$pid")
if [ "$NEWPIDS" ]
then
BINNY=$pid
pid=$NEWPIDS
else
NEWBINS=$pid
BINNY=$(ps -p "$pid" -o comm= 2>/dev/null )
if [ $? != 0 ]
then
errorFn
fi
fi
echo Calming down $pid \("$BINNY"\)...
sudo renice -n 0 -p $pid;
done