$ perl -Mstrict -Mwarnings -E 'use Spreadsheet::XLSX; say $Spreadsheet::XLSX::VERSION'
Can't locate Spreadsheet/XLSX.pm in @INC (you may need to install the Spreadsheet::XLSX module) ...

##</code><code>##

$ cpan
...
cpan[1]> install Spreadsheet::XLSX
...
  MIKEB/Spreadsheet-XLSX-0.15.tar.gz
  /usr/bin/make install  -- OK

##</code><code>##

$ perl -Mstrict -Mwarnings -E 'use Spreadsheet::XLSX; say $Spreadsheet::XLSX::VERSION'
0.15

##</code><code>##

#!/usr/bin/perl ...
#!/usr/local/bin/perl ...

##</code><code>##

#!/usr/bin/env perl ...