Run this program and add the output to your .bashrc or .bash_profile or autoexec.bat 
#!/usr/bin/perl --
use strict;
use warnings;

use Config;

Main( @ARGV );
exit( 0 );

sub Main {
    my $sep = $Config{path_sep};
    my $pat = 'export PATH=%s$PATH';
    $pat = 'set PATH=%s%%PATH%%'  if $sep eq ';' ;

    printf "$pat\n", join $sep, (
        uniq(
            grep length,
            grep defined,
            map { $Config{$_} }
            qw' installsitebin installvendorbin installbin '
        ),
      ),
      '';
}
sub uniq (@) {
    my %seen = ();
    grep { not $seen{$_}++ } @_;
}

__END__

[download]
The output looks like 
export PATH=/usr/bin:$PATH

[download]
or 
set PATH=c:\perl\5.12.2\bin\MSWin32-x86-multi-thread;c:\perl\site\5.12
+.2\bin;c:\perl\5.12.2\bin;%PATH%

[download]

It is based on 
$ perl -V:installsitebin  -V:installvendorbin  -V:installbin  -V:insta
+llsitescript  -V:installvendorscript  -V:installscript
installsitebin='c:\perl\5.12.2\bin\MSWin32-x86-multi-thread';
installvendorbin='';
installbin='c:\perl\5.12.2\bin\MSWin32-x86-multi-thread';
installsitescript='c:\perl\site\5.12.2\bin';
installvendorscript='';
installscript='c:\perl\5.12.2\bin';

$ perl -V:installsitebin  -V:installvendorbin  -V:installbin  -V:insta
+llsitescript  -V:installvendorscript  -V:installscript
installsitebin='/usr/bin';
installvendorbin='/usr/bin';
installbin='/usr/bin';
installsitescript='UNKNOWN';
installvendorscript='UNKNOWN';
installscript='/usr/bin';

[download]

In reply to Re: installing perl 5.12.3 by Anonymous Monk
in thread installing perl 5.12.3 by rob171171

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