comment on

I have some strange result in my script, where I am using Russian characters from UTF-8. If I do it this way, it works:

#!/usr/bin/perl
use strict;
use warnings;

my (@kmap, @rmap, %map);
{
    no warnings;        # &#1053;&#1077; &#1093;&#1091;&#1103; &#1074;
+&#1086;&#1087;&#1080;&#1090;&#1100;

    @kmap = qw/A B V G D E + J Z I Y K L M N O P R S T U F H C X ! @ #
+ $ % ^ & * a b v g d e = j z i y k l m n o p r s t u f h c x 1 2 3 4 
+5 6 7 8/;
    @rmap =  qw/&#1040; &#1041; &#1042; &#1043; &#1044; &#1045; &#1025
+; &#1046; &#1047; &#1048; &#1049; &#1050; &#1051; &#1052; &#1053; &#1
+054; &#1055; &#1056; &#1057; &#1058; &#1059; &#1060; &#1061; &#1062; 
+&#1063; &#1064; &#1065; &#1066; &#1067; &#1068; &#1069; &#1070; &#107
+1; &#1072; &#1073; &#1074; &#1075; &#1076; &#1077; &#1105; &#1078; &#
+1079; &#1080; &#1081; &#1082; &#1083; &#1084; &#1085; &#1086; &#1087;
+ &#1088; &#1089; &#1090; &#1091; &#1092; &#1093; &#1094; &#1095; &#10
+96; &#1097; &#1098; &#1099; &#1100; &#1101; &#1102; &#1103;/;
}
@map{@kmap} = @rmap;

my $c;
for (@kmap){
    print "$_: $map{$_}\t";
    print "\n" unless ++$c % 9;
}
[download]

Output:

A: &#1040;    B: &#1041;  V: &#1042;      G: &#1043;    D: &#1044;    
+E: &#1045;    +: &#1025;    J: &#1046;    Z: &#1047;
I: &#1048;    Y: &#1049;  K: &#1050;      L: &#1051;    M: &#1052;    
+N: &#1053;    O: &#1054;    P: &#1055;    R: &#1056;
S: &#1057;    T: &#1058;  U: &#1059;      F: &#1060;    H: &#1061;    
+C: &#1062;    X: &#1063;    !: &#1064;    @: &#1065;
#: &#1066;    $: &#1067;  %: &#1068;      ^: &#1069;    &: &#1070;    
+*: &#1071;    a: &#1072;    b: &#1073;    v: &#1074;
g: &#1075;    d: &#1076;  e: &#1077;      =: &#1105;    j: &#1078;    
+z: &#1079;    i: &#1080;    y: &#1081;    k: &#1082;
l: &#1083;    m: &#1084;  n: &#1085;      o: &#1086;    p: &#1087;    
+r: &#1088;    s: &#1089;    t: &#1090;    u: &#1091;
f: &#1092;    h: &#1093;  c: &#1094;      x: &#1095;    1: &#1096;    
+2: &#1097;    3: &#1098;    4: &#1099;    5: &#1100;
6: &#1101;    7: &#1102;  8: &#1103;
[download]

But, if I do it this way:

#!/usr/bin/perl
use strict;
use warnings;

my (@kmap, @rmap, %map);
{
    no warnings;        # &#1053;&#1077; &#1093;&#1091;&#1103; &#1074;
+&#1086;&#1087;&#1080;&#1090;&#1100;

    @kmap = split //, 'ABVGDE+JZIYKLMNOPRSTUFHCX!@#$%^&*abvgde=jziyklm
+noprstufhcx12345678';
    @rmap = split //, '&#1040;&#1041;&#1042;&#1043;&#1044;&#1045;&#102
+5;&#1046;&#1047;&#1048;&#1049;&#1050;&#1051;&#1052;&#1053;&#1054;&#10
+55;&#1056;&#1057;&#1058;&#1059;&#1060;&#1061;&#1062;&#1063;&#1064;&#1
+065;&#1066;&#1067;&#1068;&#1069;&#1070;&#1071;&#1072;&#1073;&#1074;&#
+1075;&#1076;&#1077;&#1105;&#1078;&#1079;&#1080;&#1081;&#1082;&#1083;&
+#1084;&#1085;&#1086;&#1087;&#1088;&#1089;&#1090;&#1091;&#1092;&#1093;
+&#1094;&#1095;&#1096;&#1097;&#1098;&#1099;&#1100;&#1101;&#1102;&#1103
+;';
}
@map{@kmap} = @rmap;

my $c;
for (@kmap){
    print "$_: $map{$_}\t";
    print "\n" unless ++$c % 9;
}
[download]

then the output looks like this:

A: &#65533;B: &#65533;      V: &#65533;G: &#65533;  D: &#65533;E: &#65
+533;        +: &#65533;J: &#65533;        Z: &#65533;
I: &#65533;    Y: &#65533;K: &#65533;        L: &#65533;M: &#65533;   
+     N: &#65533;O: &#65533;        P: &#65533;R: &#65533;
S: &#65533;T: &#65533;      U: &#65533;F: &#65533;  H: &#65533;C: &#65
+533;        X: &#65533;!: &#65533;        @: &#65533;
#: &#65533;    $: &#65533;%: &#65533;        ^: &#65533;&: &#65533;   
+     *: &#65533;a: &#65533;        b: &#65533;v: &#65533;
g: &#65533;d: &#65533;      e: &#65533;=: &#65533;  j: &#65533;z: &#65
+533;        i: &#65533;y: &#65533;        k: &#65533;
l: &#65533;    m: &#65533;n: &#65533;        o: &#65533;p: &#65533;   
+     r: &#65533;s: &#65533;        t: &#65533;u: &#65533;
f: &#65533;h: &#65533;      c: &#65533;x: &#65533;  1: &#65533;2: &#65
+533;        3: &#65533;4: &#65533;        5: &#65533;
6: &#65533;    7: &#65533;8: &#65533;
[download]

Why the difference?

(I see from preview that it is not showing the characters. The first output is English and Russian mapping; the second is English and question marks in ovals instead of Russian letters, and the output is not well aligned.)

In reply to Different behaviour in characters in string vs. array? by Anonymous Monk

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