Re: string comparison fails? - Image1.jpg (0/1)

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From	Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups	comp.lang.javascript
Subject	Re: string comparison fails? - Image1.jpg (0/1)
Date	Sat, 17 Oct 2015 14:59:10 +0200
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Ben Bacarisse wrote:

> joe <mt@invalid.com> writes:
>>             var apu2=all.split(">");

Given your input, that is a very bad idea.  You should respond with either 
of plain text, JSON, or XML, and use appropriate parsers instead.

>>             var ii=apu2.length;
>>             for (i=0;i<ii;i++)
>>                {
>>                allte=apu2[i].substring(0,4);
>>                if (allte=="TTY")
> 
> There's a big clue here.  How can a 4 character string ever equal "TTY"?

When it is only three characters long: "TTY".substring(0, 4) == "TTY".

That was easy.

> <snip>
>> The local file I'me reading into "all" and then splitting into array at
>> ">" is:
>>
>> […]
>> <BODY>
>> TTY:helpc.htm
>> </body>
>> </html>
> 
> Almost every ">" is follwoed by a newline character.  I'm guessing that
> what looks to you like "TTY" is, in fact "\nTTY" (and hence 4 characters
> long).

If they split this input on “>”, then there is an array element 
"\nTTY:helpc.htm\n</body", where "\n" can be either this (Unices)
or one of "\r\n" (Windows) or "\r" (Mac OS < 10).

They should use a debugger next time; see the FAQ.

-- 
PointedEars
FAQ: <http://PointedEars.de/faq> | SVN: <http://PointedEars.de/wsvn/>
Twitter: @PointedEars2 | ES Matrix: <http://PointedEars.de/es-matrix>
Please do not cc me. / Bitte keine Kopien per E-Mail.

Thread

string comparison fails? - Image1.jpg (0/1) joe <mt@invalid.com> - 2015-10-17 13:00 +0300
  Re: string comparison fails? - Image1.jpg (0/1) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-10-17 11:18 +0100
    Re: string comparison fails? - Image1.jpg (0/1) joe <mt@invalid.com> - 2015-10-17 13:57 +0300
    Re: string comparison fails? - Image1.jpg (0/1) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-10-17 14:59 +0200
      Re: string comparison fails? - Image1.jpg (0/1) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-10-17 14:37 +0100
        Re: string comparison fails? - Image1.jpg (0/1) Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-10-17 16:11 +0200
  Re: string comparison fails? - Image1.jpg (0/1) "danca (Daniele Campagna)" <cyberdanny@tiscalinet.it> - 2015-10-17 12:21 +0200
  Re: string comparison fails? - Image1.jpg (0/1) "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-10-17 12:28 +0200

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