Patient Monks, I thought my creation of "my $sftp..." was OK,but the later use of it in "$sftp->ls..." engendered the Global symbol error listed at the end (below). Maybe I don't really understand the ideas relating to local/global. Any help would be appreciated. 
#!/usr/bin/perl

use strict;
use Net::SFTP;

my $host = 'sftp.section111.cms.hhs.gov';
my $user = 'myUser';
my $pass = 'myPass';

#open connection
eval { #timeout if no response within 120 seconds
   $SIG{ALRM} = sub {die "Net::SFTP timed out\n"};
   alarm(120);
   my $sftp = Net::SFTP->new($host,user =>$user,password=>$pass,
   ssh_args=>[port=>10022],debug =>0) || die "Can't connect $ [at] \n"
+;
   alarm(0);
};

if ($@) {
   alarm(0);
   chomp( $@ );
   die("Error: $@ trying to connect to CMS \n");
}
else {
   $sftp->ls("/000014928/response/prod/query-only" , sub { print $_[0]
+->{longname}, "\n" });
   die("Success: $@ has connected to CMS \n");
}

/csapps055/gentran/test/script $ demo5.pl
Global symbol "$sftp" requires explicit package name at demo5.pl line 
+25.
Execution of demo5.pl aborted due to compilation errors.

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In reply to local creation still triggers "requires explicit package name" error by c84032002

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