16 lines
170 B
Awk
16 lines
170 B
Awk
#! /bin/awk -f
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{
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if (length($0) == 79){
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l = $0""l
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} else {
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if (l) {
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print l
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}
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l = $0
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}
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}
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END {if (l) print l}
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