Possible unintended interpolation of @rman in string at xxrc_env_test.pl line
        51 (#1)
    (W ambiguous) You said something like `@foo' in a double-quoted string
    but there was no array @foo in scope at the time. If you wanted a
    literal @foo, then write it as \@foo; otherwise find out what happened
    to the array you apparently lost track of.

Global symbol "@rman" requires explicit package name at xxrc_env_test.pl line
        51 (#2)
    (F) You've said "use strict vars", which indicates that all variables
    must either be lexically scoped (using "my"), declared beforehand using
    "our", or explicitly qualified to say which package the global variable
    is in (using "::").

Execution of xxrc_env_test.pl aborted due to compilation errors (#3)
    (F) The final summary message when a Perl compilation fails.