31 lines
444 B
Awk
31 lines
444 B
Awk
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#!/usr/bin/env -S awk -f
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# Usage: $0 file.abc > filtered_file.abc
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BEGIN {
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OFS = FS = "\t"
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}
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{
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a=$1
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b=$2
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c=$3
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if (a > b) {
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tmp=a
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a=b
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b=tmp
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}
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if (!(b in graph[a])) {
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graph[a][b] = c
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} else {
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if (graph[a][b] < c) {
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graph[a][b] = c
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}
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}
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}
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END {
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for (a in graph) {
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for (b in graph[a]) {
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print a, b, graph[a][b]
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}
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}
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}
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