This also works:

$perl -wle " print - -foo "
+foo

[download]

The space between the two minus signs is significant; otherwise Perl thinks you're trying to decrement a constant.

Also:

$perl -wle " print -+-foo "
+foo

$perl -wle " print +-+-foo "
+foo

$perl -wle " print -+-+-foo "
-foo

$perl -wle " print +-+-+-foo "
-foo

$perl -wle " print -+-+-+-foo "
+foo

$perl -wle " print +-+-+-+-foo "
+foo

[download]

...etc

package Cow { use Moo; has name => (is => 'lazy', default => sub { 'Mooington' }) } say Cow->new->name

In reply to Re^6: Why is this auto-quoted? (-(-foo)) by tobyink
in thread Why is this auto-quoted? by nbtrap

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