That's a MacOS line ending \r, aka a carriage return. See if this works:

perl -012 -lane 'print "$F[2]\t$F[7]" if $F[7] > 0' < input.txt

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The -0 flag sets the input record separator (line ending) to \r in octal form.

In reply to Re^5: One-liner only checking the first line of the input file by stevieb
in thread One-liner only checking the first line of the input file by TJCooper

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