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  1. or download this
    $> perl sudotest.pl
    Password:
    ...
    $ sudo /foo/bar/paco
    ERRNO       =
    CHILD_ERROR = 256
    
  2. or download this
    Can't exec "/foo/bar/paco": No such file or directory at sudotest.pl l
    +ine 8.
    $ /foo/bar/paco
    ERRNO       = No such file or directory
    CHILD_ERROR = -1
    Use of uninitialized value in print at sudotest.pl line 12.
    
  3. or download this
    $ ls -laF
    ERRNO       = Illegal seek
    ...
    drwxr-xr-x  21 ignatz paco       1536 Jan 16 15:34 ../
    drwxrwxrwx   2 ignatz paco        512 Dec 18 15:30 CVS/
    -rw-r--r--   1 ignatz paco        298 Jan 16 14:44 sudotest.pl