Note that the rel2abs approach will only give the same result if / is the CWD. Otherwise it's a different result:
#!/usr/bin/env perl
use strict;
use warnings;
use File::Spec;
chdir '/tmp';
my $path = './root/git/common/crt_del/cert/DEFAULT.pem';
$path = File::Spec->rel2abs ($path)
unless File::Spec->file_name_is_absolute ($path);
print "$path\n";
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<code> tags not
<pre> tags. In fact, <pre>
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or How to display code and escape characters
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