Just replace the filename with a wildcard such that your command line becomes

perl -lne '/^([^\t]*)\t/; $hash{$1}++}{print $_ foreach(keys %hash)' *

Is that all you were after?

In reply to Re: Enclosing one-liner in a bigger loop - unix by hippo
in thread Enclosing one-liner in a bigger loop - unix by baxy77bax

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