#!/bin/bash
s ='chr20 102 K245 A T 56.0 AC.02 AC=0.1;DC=45;AC_old=452;DP=21;sample=kj;sample_name=DKl;New_sample=rdf
chr10 8742 JH245 G T 86.0 AC.742 AC=2.1;DC=75;AC_old=42;DP=1;sample=KHS;sample_name=WEKl;New_sample=ASEf
chrX 2302 XS245 G A 786.0 AC.452 AC=8;DC=5;AC_old=4A2;DP=5;sample=SED;sample_name=MHNSKl;New_sample=rdf'
awk -F\; '$1 ~ /AC|DC|sample/{print $1 OFS $2 OFS $5}' <<< "$s "
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