This script will displays or sends email for RAM usage statistics of python scripts

ram_usage.sh

#!/usr/bin/env sh
#title           : ram_usage.sh
#description     : Shell script for displaying RAM and Thread statistics of python scripts.
#author		 : Sencer HAMARAT "sencerhamarat(at)gmail.com"
#date            : 20161014
#version         : 0.4
#usage		 : sh ram_usage.sh
#==============================================================================
#!/usr/bin/env bash
SERVERNAME=$(hostname -f)
SUBJECT="         Python scripts RAM usage statistics for ${SERVERNAME} host"
printf "$SUBJECT\n"
printf "%-62s %13s %5s %8s %15s\n" "PROCESS" "RAM USAGE" "PID" "STATUS" "Thread Counts"
printf "=============================================================================================================\n"
ps ax --no-headers -o pid,vsz,stat,command | awk -v lim=400000 '
# let awk do the grepping
/python/ && !/awk/ {
# save first 3 fields
pid=$1
vsz=$2/1024
stat=$3
tthreads_cmd="cat /proc/"pid"/status|grep Threads";
tthreads_cmd | getline tthreads;
close(tthreads_cmd)
# rest is command line, possibly spanning multiple fields
for (i=4;i<=NF;++i) $(i-3)=$i
    NF-=3
    # decide on color
    if (vsz>lim) col="\033[31m"
    else if (vsz>lim/2) col="\033[33m"
    else col="\033[32m"
    # printout
    printf("%s%-62s %10d KB %5s %6s     %s%s\n", col, $0, vsz, pid, stat, tthreads, "\033[0m")
}'