script to sort which process uses the most memory

maxmem.sh

#!/bin/sh
>/tmp/maxmem.out
>/tmp/maxmem2.out
for i in /proc/[1-9]* ; do
    grep -q VmSize $i/status || continue
    awk '/^VmSize:/{printf("%s ",$2);};'  $i/status >> /tmp/maxmem.out
    awk '/^VmRSS:/{printf("%s ",$2)};'  $i/status >> /tmp/maxmem2.out
    echo -n " $i " >> /tmp/maxmem.out
    echo -n " $i " >> /tmp/maxmem2.out
    echo >> /tmp/maxmem.out
    echo >> /tmp/maxmem2.out
done

echo "----------------Sorted by VmSize"
sort -r -n /tmp/maxmem.out | head -n 10
echo "----------------Sorted by RSS Size"
sort -r -n /tmp/maxmem2.out | head -n 10