zby@moria:~$ perl -e 'push @{ $listSample{Bank} }, 1,2'
zby@moria:~$ perl -we 'push @{ $listSample{Bank} }, 1,2'
Name "main::listSample" used only once: possible typo at -e line 1.
zby@moria:~$ perl -we 'if(1){push @{ $listSample{Bank} }, 1,2}'
Name "main::listSample" used only once: possible typo at -e line 1.
zby@moria:~$ perl -e 'if(1){push @{ $listSample{Bank} }, 1,2}'
zby@moria:~$