BEGIN {FS = ":"}
{for (i = 4; i <= NF; i += 2){
val=(val?val", ":"")$i
}
}
END{
print val
}
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MTAgICAgICA2MTY5NCAgIHJzNTQ2NDQzMTM2ICAgICBUICAgICAgIEcgICAgICAgLiAgICAgICBQQVNTICAgIFJlZlBhbmVsQUY9MC4wMjg4NTM5O0FDPTA7QU49MTE4NjtJTkZPPTEuMjQ5OTFlLTA5ICAgICAgR1Q6RFM6R1AgICAgICAgIDAvMDowLjE6MC45MDI1LDAuMDk1LDAuMDAyNSAgICAgMC8wOjAuMTowLjkwMjUsMC4wOTUsMC4wMDI1ICAgICAwLzA6MC4xOjAuOTAyNSwwLjA5NSwwLjAwMjU=
10 61694 rs546443136 T G . PASS RefPanelAF=0.0288539;AC=0;AN=1186;INFO=1.24991e-09 GT:DS:GP 0/0:0.1:0.9025,0.095,0.0025 0/0:0.1:0.9025,0.095,0.0025 0/0:0.1:0.9025,0.095,0.0025