Merge PDF Documents using PDF-API2 Perl Distribution

pdf.pl

#! /usr/bin/env perl

use v5.37.9;
use PDF::API2;

chdir 'PATH_WITH_PDFS';

my $pdf = PDF::API2 -> new;

my $source1 = PDF::API2 -> open( '1.pdf' );
my $source2 = PDF::API2 -> open( '2.pdf' );

my $page1 = $pdf -> import_page( $source1 );
my $page2 = $pdf -> import_page( $source2 );

$pdf -> save( 'all.pdf' );

# Method: https://metacpan.org/pod/PDF::API2#import_page
# cf. mutool merge -o all.pdf 1.pdf 2.pdf