Another way. use perl's builtin argument parsing:
c:\test>perl -sane"print if $F[ 1 ] =~ /$T/" -- -T=vet test.txt
b vet c
f vet g
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.