I needed to do a similar task for pre-Unicode Mongolian to Unicode. The hash provided is only a sample. The full script is at http://students.washington.edu/blanch/downloads/encodingConverter.pl You can drop your hash in and it should run with little modification if any. 
#!/usr/local/bin/perl

# encodingConverter.pl
# Duane L. Blanchard
# http://students.washington.edu/blanch/downloads/
# blanch@iname.com

use strict;
use warnings;
#use utf8;
use charnames ':full';

#hash tables for each encoding must be at the top
#Hash table Keys: Cyrillic Chars, Values: Unicode Char Names
my %name = (
# Lowercase
"à" => "\N{CYRILLIC SMALL LETTER A}",
"á" => "\N{CYRILLIC SMALL LETTER BE}",
"â" => "\N{CYRILLIC SMALL LETTER VE}",
"ã" => "\N{CYRILLIC SMALL LETTER GHE}",

# Uppercase
"A" => "\N{CYRILLIC CAPITAL LETTER A}",
"Á" => "\N{CYRILLIC CAPITAL LETTER BE}",
"Â" => "\N{CYRILLIC CAPITAL LETTER VE}",
"Ã" => "\N{CYRILLIC CAPITAL LETTER GHE}",
);

# Open the input file
my $inFile;
until(open(OUTFILE, ">outFile.txt"))
{
    print("\n$inFile could not be found.");
}

print("What file would you like to convert? \n");
$inFile = <stdin>;    #query user for input file
chomp $inFile;

until(open(inFile, "$inFile")) 
{
    print("\n$inFile could not be found.",
    " Please provide the absolute path. \n");
    $inFile = <stdin>;
}

while (<inFile>) 
{
    my $line = $_; # $_ is a line of text
    my @array = split ("", $line); # $_ is now a character

    for (@array)
    {
        if (exists $name{$_})    # check the hash for $_
        {    
            print OUTFILE $name{$_}; # print the Unicode value of $_
        }
        else
        {
            print OUTFILE "$_";    # preserves English
        }
    }
}

close OUTFILE;

print "\nYour converted text is in:\n",
        ">> outFile.txt.\n\n";

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In reply to Re: Orthography Translation using Regex by Anonymous Monk
in thread Orthography Translation using Regex by Baz

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