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PointyWombat
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Shell Programming and Scripting
01-20-2011
2
Swapping IP Addresses In A File With Those From Another File
1,285
Posted By
vgersh99
nawk 'FNR==NR{f2[$2]=$1;next} $2 in f2...
nawk 'FNR==NR{f2[$2]=$1;next} $2 in f2 {$1=f2[$2]}1' file2 file1
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