$ perl -Tle " print fileno shift" c


$ perl -Tle " print fileno shift" 9999999999999999999999999


$ perl -Tle " print fileno shift" "<"


$ perl -Tle " print fileno shift" ">"


$ perl -Tle " print fileno shift" "+"
Insecure dependency in require while running with -T switch at -e line 1.
BEGIN failed--compilation aborted.

$ perl -Tle " print fileno shift" "-"
Insecure dependency in require while running with -T switch at -e line 1.
BEGIN failed--compilation aborted.

$ perl -Tle " print fileno shift" "*"