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52 lines
869 B
52 lines
869 B
4 months ago
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{ print }
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{ print NR, NF, $0 }
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{ $2 = length($2); print }
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{ s += length($2) }
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END { print s }
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{ s += $3 }
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END { print s }
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{ for (i = NF; i > 0; i--)
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printf "%s ", $i
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printf("\n")
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}
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$1 == $1 && $2 == $2 # test some string compares
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$1 != $2
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{
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sss = ""
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for (i = NF; i > 0; i--)
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sss = sss " " $i
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print sss
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}
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{
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xx[$1] += length
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}
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END {
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for (i in xx)
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print i, xx[i] | "sort"
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}
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NF % 2 == 0
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length % 2 == 0
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! /^./
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/.$/
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BEGIN { xxx = ".$" }
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$0 ~ xxx
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{ print substr($0, 10,10) }
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{ $3 = "xxx" $3 "xxx"; $4--; print }
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{ for (i = 1; i <= NF; i++)
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x[i] = $i
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for (i = 1; i <= NF; i++)
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print x[i]
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}
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{ for (i = 1; i <= NF; i++)
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y[i] = $i
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for (i = 1; i <= NF; i++)
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printf "%d %s\n", i, y[i]
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}
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function abs(x) { return (x < 0) ? -x : x }
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BEGIN { n = 1000
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for (i = 1; i < n; i++) x[i] = rand()
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for (i in x)
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for (j in x)
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if (abs(x[i]-x[j]) < .01) break
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}
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