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How do you escape ampersand in IE File Download dialog box?

Posted on 2008-10-20
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Last Modified: 2012-06-21
How do you escape ampersand in IE's "file download dialog box"?

I'm trying to download a file that has an ampersand on its file name (eg. "Batman & Robin.xls" )

IE File Download converts ampersand(&) to an underscore(_) (eg. "Batman _Robin.xls")

I tried escaping it with &&, but the file when downloaded also produces a double ampersand(&&)
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Question by:niko_edralin
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Expert Comment

by:fcardinaux
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Have you tried to use the Javascript encodeURIComponent() function http://www.w3schools.com/jsref/jsref_encodeURIComponent.asp ?
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Expert Comment

by:fcardinaux
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Go to http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_encodeURIComponent, type:

document.write(encodeURIComponent("Batman & Robin.xls"));

and you will get:

Batman%20%26%20Robin.xls
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Expert Comment

by:Louis01
Comment Utility
Replace the & with %26
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fcardinaux earned 125 total points
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Louis01: if you had read my comments, you would have seen that my solution does exactly this. Moreover, it encodes all special characters, not just &.
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by:Louis01
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fcardinaux: You are 100% correct. I usually open about 5 questions in different tabs. (This was the last one I got to.) My view on the Q was before you proposed your answer. I did not refresh before I posted my answer.
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Author Comment

by:niko_edralin
Comment Utility
I did both of your solutions. And the "file download dialog box" still <b>displays</b> "Batman _Robin.xls"

&& works great, but the downloaded file also has 2 ampersands "Batman && Robin.xls"
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Author Comment

by:niko_edralin
Comment Utility
This is the Java code that I'm using, hope it helps.


    private String getFileName() {
 

        String str=prefix+=" ("+_workbookSettings.getCode()+"-"+_workbookSettings.getDescription()+")";
 

        str=str.replaceAll(" ", "%20");//issue for i.e.7

        str=str.replaceAll("\\.", "%2e");

        str=str.replaceAll("&", "%26");

        return str+".xls";

    }
 

  public void finished(){

       ...

       ...

       ...

       resp.setContentType("application/vnd.ms-excel");

       resp.addHeader("content-disposition",

                                   "inline;    

       filename=encodeURIComponent(" + getFileName() + ")");
 

       workbook.write(out);
 

       out.flush();

       out.close();
 

       ...

       ...

    }

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Assisted Solution

by:Louis01
Louis01 earned 125 total points
Comment Utility
Try replacing the line
   str=str.replaceAll("&", "%26");
with
   str = str.replaceAll(/&/,"%26");
OR
   str = str.replaceAll(/&amp;/,"%26");
OR
   str = str.replaceAll(/\x26/,"%26");
----------------------
Alternatively, you could try removing the 3 str=str.replaceAll lines in getFileName. (If that works, the solution proposed by fcardinaux is the correct one.)
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Author Comment

by:niko_edralin
Comment Utility
Still doesn't work :(

anyway, I was able to force our QA to accept it as a bug of IE.
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Author Closing Comment

by:niko_edralin
Comment Utility
I didn't find the solution that I wanted. I'm just going to close this question and split the points to Louis01 and fcardinaux
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