Awk lab

#!/bin/bash
#awk

echo "a)"

ps aux | awk \
'
{
	n = split($11, array, "/");
	print "User: " $1 "\t - proc: " array[n] "\t ( CPU = " $3 "  MEM = " $4 " )"
}
'

echo -e "\nb)"

ps aux | awk \
'
{
	n = split($11, array, "/");
	print $11 "  ----->  " array[n];
}
'

echo -e "\nc)"

ps aux | awk \
'
{
	cpu += $3;
	mem += $4;
}
END \
{
	print "CPU = " cpu;
	print "MEM = " mem;
}
'

echo -e "\nd)"

ps aux | awk \
'
{
	tabmem[$1] += $4
	tabcpu[$1] += $3
}
END \
{
maxcpu = 0;
maxmem = 0;
	for(key in tabmem)
	{
		print key " - \t(CPU = " tabcpu[key] " MEM = " tabmem[key] ")"

		if(tabmem[key] > maxmem)
		{
			maxmem = tabmem[key];
			maxmemkey = key;
		}

		if(tabcpu[key] > maxcpu)
		{
			maxcpu = tabcpu[key];
			maxcpukey = key;
		}
	}

	print "\ne)"
	print maxmemkey " - " maxmem
	print maxcpukey " - " maxcpu
}
'