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1989_6
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awk
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hgram.awk
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1988-02-25
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420b
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18 lines
# histogram
# input: numbers between 0 and 100
# output: histogram fo the deciles
{ x[int($1/10)]++ }
END { for (i = 0; i < 10; i++)
printf(" %2d - %2d: %3d %s\n",
10*i, 10*i+9, x[i], rep(x[i], "*"))
printf("100: %3d %s\n", x[10], rep(x[10], "*"))
}
function rep(n, s, t) { # return string of n s's
while (n-- > 0)
t = t s
return t
}