C:\_32\pscrpt>perl try.pl
Use of uninitialized value in undef operator at try.pl line 4.
Successful command returning 1
![] ?[256 : 1] E[The specified image file did not contain a resource section]
Use of uninitialized value in undef operator at try.pl line 10.

Nonexistent command, attempted direct but fallback to via cmd
'c:/doesNotExists.exe' is not recognized as an internal or external command,
operable program or batch file.
![No such file or directory] ?[256 : 1] E[There are no more files]
Use of uninitialized value in undef operator at try.pl line 16.

Nonexistent via cmd because 'shell chars'; sending stderr >null
![] ?[256 : 1] E[There are no more files]