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Forum: Shell Programming and Scripting 09-03-2012

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awk -F, '{c[$3,$4,$5]++
if(c[$3,$4,$5]==1)
{
one[$3,$4,$5]=$1
two[$3,$4,$5]=$2
}}
c[$3,$4,$5]>1{$1=one[$3,$4,$5];$2=two[$3,$4,$5]}1' OFS=, file

Forum: Shell Programming and Scripting 09-23-2011

1,764

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Try: awk -F"|"...

Try: awk -F"|" 'length($1)>l[$3"|"$4]{l[$3"|"$4]=length($1);a[$3"|"$4]=$0}END{for (i in a) print a[i]}' file

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