C:\>perl  -e "warn 1;warn fileno shift" -
1 at -e line 1.
Warning: something's wrong at -e line 1.

C:\>perl  -Te "warn 1;warn fileno shift" -
1 at -e line 1.
Insecure dependency in require while running with -T switch at -e line 1.
BEGIN failed--compilation aborted.

C:\>more -
die 666

C:\>perl -e"require '-'
666 at - line 1.
Compilation failed in require at -e line 1.

C:\>perl -e"require shift" -
666 at - line 1.
Compilation failed in require at -e line 1.

C:\>perl -Te"require shift" -
Insecure dependency in require while running with -T switch at -e line 1.

C:\>