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Forum: Shell Programming and Scripting 06-04-2012

Perl, sorting and eliminating duplicates

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A simpler way in awk: $ awk '$1 in A {...

A simpler way in awk:

$ awk '$1 in A { if(($2+0) > A[$1]) next } { A[$1]=$2+0; B[$1]=$2 } END { for(X in B) print X, B[X] }' data
ID_1 0.02
ID_2 2.4e-2
ID_3 0.003
ID_4 0.05
ID_5 1.2e-3

$

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