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Convert a Perl CGI code to ASP

Posted on 2004-10-22
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Last Modified: 2010-08-05
I need to convert a Perl CGI script to ASP vb script, becuase I require to convert the data into my ASP program. and I have no idea about the CGI.

This is the CGI script

sub dc_decode {
    my $todecode = shift;
    return undef unless defined($todecode);
    $todecode =~ tr/+/ /;       # pluses become spaces
    $todecode =~ s/%([0-9a-fA-F]{2})/pack("c",hex($1))/ge;
    $todecode =~ s/\r\n/\n/g;;
    return $todecode;
}

Do anyone know the ASP version of the above script?
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Question by:billson
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5 Comments
 
LVL 28

Accepted Solution

by:
sybe earned 1500 total points
ID: 12387606
in VBScript you can use the UnEscape() function for this.

<%
MyVar = Unescape(Myvar)
%>

But maybe you don't have to use this function at all. The perl function is used to convert a (url-encoded) querystring into something that was originally posted. I don't know in what context you need to use it, but in ASP, the querystring is automatically urldecoded when you ask individual items of the Request object.

So you will need to decode if you use the complete querystring

<%
Response.write Unescape(Request.Quersystring)
%>

But you don't need to decode for each formfield:

<%
Response.write Request.Querystring("fieldname")
%>

0
 
LVL 13

Expert Comment

by:StormyWaters
ID: 12389204
Here is another alternative:
http://flangy.com/dev/asp/urldecode.html
0
 
LVL 1

Author Comment

by:billson
ID: 12392080
thx sybe  and StormyWaters, the return code is correctly display in ASP page, but if I use Windows Script Hosting - vbs file to get the output. the return code is mess-up. Any idea?
0
 
LVL 28

Expert Comment

by:sybe
ID: 12392093
What is the input you are giving to the Windows Scripting Host?
0
 
LVL 1

Author Comment

by:billson
ID: 12394523
I have inputed Chinese character (BIG5 character set) and use the following script to encode in WSH, ASP also. ASP can return what I inputed. But WSH just return the "??" for those chinese character. I am using WinXP Chinese Traditional Version.

Since I need to convert 10000 message to the new asp system. I prefer to use WSH to prevent ASP timeout. But if no solution for WSH, I will try to use ASP to do so.

Function URLEncode(Text)
    Dim acode
    Temp = ""
    For i = Len(Text) To 1 Step -1
        acode = Asc(Mid(Text, i, 1))
            if (acode >= 48 AND acode <= 57) OR (acode >= 65 AND acode <= 90) OR (acode >= 97 AND acode <= 122) then
                  Temp = Mid(Text, i, 1) & Temp
            elseif acode = 32 then
                  Temp = "+" & Temp
            else
                  Temp = "%" & Hex(acode) & Temp
            end if
    Next
      URLEncode = Temp
End Function
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