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Groups > comp.lang.javascript > #16938

Re: How to validate a file in a javascript

From Cezary Tomczyk <cezary.tomczyk@gmail.com>
Newsgroups comp.lang.javascript
Subject Re: How to validate a file in a javascript
Date 2012-10-28 22:38 +0100
Organization Aioe.org NNTP Server
Message-ID <k6k8kh$svj$1@speranza.aioe.org> (permalink)
References <804583d9-ac09-492c-b488-8989cb13727c@googlegroups.com>

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W dniu 2012-10-28 19:56, Katja pisze:
> I am trying to show the errors that can occur by uploading a file
> (file extension, size). I am using [an adapted version of Jquery Fiel
> Upload for Ruby on Rails][1]
>
> I need to validate a file (ending of a file,  size of the file)
> before uploading and as nobody has an idea [how to do it with
> JSON][2] I want to ask if somebody knows how to do it in a following
> javascript:
[...]

I wouldn't trust on file extensions. As a just a warning for user then
it is ok. Just my "5 cents".

-- 
Cezary Tomczyk
http://www.ctomczyk.pl/

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Thread

How to validate a file in a javascript Katja <kate.kokatjuhha@gmail.com> - 2012-10-28 11:56 -0700
  Re: How to validate a file in jquery Denis McMahon <denismfmcmahon@gmail.com> - 2012-10-28 21:11 +0000
  Re: How to validate a file in a javascript Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2012-10-28 22:38 +0100
    Re: How to validate a file in a javascript Katja <kate.kokatjuhha@gmail.com> - 2012-10-28 23:32 -0700
      Re: How to validate a file in a javascript Denis McMahon <denismfmcmahon@gmail.com> - 2012-10-29 08:57 +0000
        Re: How to validate a file in a javascript Cezary Tomczyk <cezary.tomczyk@gmail.com> - 2012-10-29 15:20 +0100
          Re: How to validate a file in a javascript Denis McMahon <denismfmcmahon@gmail.com> - 2012-10-29 23:22 +0000
            Re: How to validate a file in a javascript Jeff North <jnorthau@yahoo.com.au> - 2012-10-30 17:11 +1100
              Re: How to validate a file in a javascript Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2012-11-01 21:51 +0100
        Re: How to validate a file in a javascript Dr J R Stockton <reply1244@merlyn.demon.co.uk.invalid> - 2012-10-30 19:47 +0000

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