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/usr/bin/env perl

...
}

use Excel::Writer::XSLX;

/usr/bin/env perl

...
}

use Excel::Writer::XSLX;

/home/alex>cd /tmp/

...


/tmp>

    use lib LIST;

    BEGIN { unshift(@INC, LIST) }

/tmp>perl -E 'use if -f(qq[$ENV{"HOME"}/Foo.pm]), lib => $ENV{"HOME"};
+ use Foo; say "ok"'
ok

/tmp>