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maybe this is very redundant for such task,
but maybe this will anticipate possible problems with more complex input
This instance with integrated version control :) requires gnu awk
awk '
NR ==...

Hi,
if only one row has matches
awk '
NR == FNR { if (!T[$2]) T[$2] = $1; next }
{ lin = 0; for (i=1; i<=NF; i++)
if ($i in...

Hello cowa,

Welcome to forums, special thanks for using CODE TAGS for samples.

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