For the sake of completeness the code I used to verify that it worked with the "eq" operator. And for the record: I'd prefer a RegExp myself in this situation;-) 

use strict;
use warnings;

my $location = "some location\\";

my $var = substr($location,length($location)-1,1);

if ($var eq "\\"){
    print "HIER IS ES\n\n";
} else{
    $location = $location."\\";
    print "NEU:: $location\n\n" ;
}

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In reply to Re^3: Check last character of a string by dHarry
in thread Check last character of a string by theroninwins

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