ref: adc4463f0ca6590f216aadb1e75390977fe1ec49
dir: /bin/hist/
#!/bin/awk -f
function rep(s, n, t) {
n = int(n / (max+1) * 60)
while (n--)
t = t s
return t
}
{ x[int($1/10)]++ }
END {
for (i = 0; i < 10; i++)
if (x[i] > max) max = x[i]
for (i = 0; i < 10; i++)
printf("%-10d - %s\n", x[i], rep("*", x[i]))
}