Concatenation

The dot operator joins strings without changing the original scalar values.

concatenation.pl

use strict;
use warnings;

my $suffix = ;
my $base = "report";
my $filename = $base . "." . $suffix;
my $label = "file:" . $filename;

print "suffix=$suffix\n";
print "filename=$filename\n";
print "label=$label\n";

use strict;
use warnings;

my $suffix = ;
my $base = "report";
my $filename = $base . "." . $suffix;
my $label = "file:" . $filename;

print "suffix=$suffix\n";
print "filename=$filename\n";
print "label=$label\n";

use strict;
use warnings;

my $suffix = ;
my $base = "report";
my $filename = $base . "." . $suffix;
my $label = "file:" . $filename;

print "suffix=$suffix\n";
print "filename=$filename\n";
print "label=$label\n";

concatenation Concatenation builds a new string by placing one string after another.