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    $ perl -MPOSIX -e'use strict; print POSIX::OREAD;'
    $ perl -MPOSIX -e'use strict; print abs(POSIX::OREAD);'
    ...
    Execution of -e aborted due to compilation errors.
    $ perl -MPOSIX -e'use strict; print POSIX::OREAD();'
    OREAD is not a valid POSIX macro at -e line 1
    
  2. or download this
    Bareword "Use" not allowed while "strict subs" in use at - line 14.
    Bareword "strict" not allowed while "strict subs" in use at - line 15.
    Bareword "Be" not allowed while "strict subs" in use at - line 16.
    Bareword "Love" not allowed while "strict subs" in use at - line 21.
    Bareword "Forever" not allowed while "strict subs" in use at - line 23
    +.