Kill old processes

Kill old processes

#!/bin/bash
#######################################################################################
# Author Pablo Sanchez
# RAID Bug Killer - kills $COMMAND processes older then $SECONDS
#######################################################################################
COMMAND='php'
SECONDS=900 # 15 minutes
(ps --noheaders -o pid,etime -C $COMMAND) | while read -r PID TIME; do
    SavedIFS="$IFS"
    IFS="-:."
    Time=($TIME)
    if [ "${Time[3]}" != "" ]; then
        S=$((${Time[0]}*86400 + ${Time[1]}*3600 + ${Time[2]#0}*60 + ${Time[3]#0}))
    elif [ "${Time[2]}" != "" ]; then
        S=$((${Time[0]}*3600 + ${Time[1]#0}*60 + ${Time[2]#0}))
    elif [ "${Time[1]}" != "" ]; then
        S=$((${Time[0]#0}*60 + ${Time[1]#0}))
    else
        S=${Time[0]#0}
    fi
    if test $S -gt $SECONDS; then
        kill -9 $PID
    fi
    IFS="$SavedIFS"
done