It seems you actually needs: 
use File::Spec::Functions;

# got './tmp/file1.zip' on unix
# got '.\tmp\file1.zip' on windows

my $path = catfile '.', 'tmp', 'file1.zip';

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In reply to Re: embedding a scalar into a string without space after the scalar by llancet
in thread embedding a scalar into a string without space after the scalar by Gulliver

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