RE: checking for end of file, was...C# Writing to a file

  • From: "Celia Rodriguez" <celia-rodriguez@xxxxxxxxxxxxx>
  • To: <programmingblind@xxxxxxxxxxxxx>
  • Date: Sun, 9 May 2010 10:39:11 -0500

Hi,

The thing is that I dumped all of the file into a string.  I am reading the
string character by character checking for ",".
So when I reach the end of the string I am crashing.   Is there something
for end of the string?
It is a very small file, maybe, about 5 records.

Thanks,
Celia 

Also so that I could 
-----Original Message-----
From: programmingblind-bounce@xxxxxxxxxxxxx
[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of David
Engebretson Jr.
Sent: Sunday, May 09, 2010 9:54 AM
To: programmingblind@xxxxxxxxxxxxx
Subject: checking for end of file, was...C# Writing to a file

There is a character at the end of the file...  might be 0x20?  Don't 
remember off hand, but I'll bet there's a table at the end of your book.

Cheers,
D
----- Original Message ----- 
From: "Celia Rodriguez" <celia-rodriguez@xxxxxxxxxxxxx>
To: <programmingblind@xxxxxxxxxxxxx>
Sent: Sunday, May 09, 2010 7:50 AM
Subject: RE: C# Writing to a file


> Hi again,
>
> Thank you for your suggestions.
> I was able to write and read to a file.  Just one more thing, how do I 
> check
> for end of file?
> I have to read the file and print the data onto a report.
>
> Thank you,
> Celia
>
> -----Original Message-----
> From: programmingblind-bounce@xxxxxxxxxxxxx
> [mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of RicksPlace
> Sent: Saturday, May 08, 2010 6:35 AM
> To: programmingblind@xxxxxxxxxxxxx
> Subject: Re: C# Writing to a file
>
> Hi Again: If you are going to be writing often to your file you will want 
> to
>
> use the
> FileInfo Class instead of the File Class. It is pretty much the same 
> except
> that it is an instance class, it does not require a security check every
> time it is called and can be made threqad safe me thinks.If you are just
> logging errors or something that you don't care about performance with 
> then
> the File class is the way to go since you will not have to instantiate the
> class in your code but it will run slower.
> Rick USA
> ----- Original Message ----- 
> From: "RicksPlace" <ofbgmail@xxxxxxxxx>
> To: <programmingblind@xxxxxxxxxxxxx>
> Sent: Saturday, May 08, 2010 7:14 AM
> Subject: Re: C# Writing to a file
>
>
>> Hi:
>> First, I don't think I saw your file type, the ".txt" file type extension
>> in the file path for your file if I remember and that would throw an
>> exception. Below is the MSDN Doc stuff I pulled from the File Class
>> Definition that I thought might help. The complete document can be found
>> at:
>> http://msdn.microsoft.com/en-us/library/ms143356.aspx
>> if you want to read up on the File Class.
>> Here is the copied stuff for the CSharp version:
>> Copy
>> using System;
>> using System.IO;
>> using
>> System.Text;
>> class
>> Test
>> {
>> public static void
>> Main()
>> {
>> string path = @"c:\temp\MyTest.txt"
>> ;
>> // RtNote, notice the .txt file extension in the above file path
>> // Also, note the use of the @ sign as Jamal identified in a prior post.
>> // This text is added only once to the file.
>> if
>> (!File.Exists(path))
>> {
>> // Create a file to write to.
>> string createText = "Hello and Welcome"
>> + Environment.NewLine;
>> File.WriteAllText(path, createText);
>> }
>> // This text is always added, making the file longer over time
>> // if it is not deleted.
>> string appendText = "This is extra text"
>> + Environment.NewLine;
>> File.AppendAllText(path, appendText);
>> // Open the file to read from.
>> string
>> readText = File.ReadAllText(path);
>> Console.WriteLine(readText);
>> }
>> }
>>
>> ----- Original Message ----- 
>> From: "Jamal Mazrui" <empower@xxxxxxxxx>
>> To: <programmingblind@xxxxxxxxxxxxx>
>> Cc: "Celia Rodriguez" <celia-rodriguez@xxxxxxxxxxxxx>
>> Sent: Saturday, May 08, 2010 6:34 AM
>> Subject: Re: C# Writing to a file
>>
>>
>>> In C#, you do not have to double the backslash characters if you precede
>>> the string literal with the @ symbol.  Just put that symbol immediately
>>> before the initial quote mark.
>>>
>>> Jamal
>>>
>>>
>>> On 5/7/2010 11:32 PM, Celia Rodriguez wrote:
>>>> Thank you, but I tried the \\ and it is still giving  me the following
>>>> error
>>>>
>>>> Error 1 Unexpected character '\' Error 1 Unexpected
>>>> character '\' -----
>>>> Thankyou,
>>>>
>>>>
>>>>
>>>> Original Message-----
>>>>
>>>>
>>>>
>>>>
>>>> From: programmingblind-bounce@xxxxxxxxxxxxx
>>>> [mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Tyler
>>>> Littlefield
>>>> Sent: Friday, May 07, 2010 9:18 PM
>>>> To: programmingblind@xxxxxxxxxxxxx
>>>> Subject: Re: C# Writing to a file
>>>>
>>>> Hello,
>>>> you need to escape your \ by doing \\. So, it'll look like:
>>>> C:\\myfolder1\\myfolder2...
>>>>
>>>> ----- Original Message -----
>>>> From: "Celia Rodriguez"<celia-rodriguez@xxxxxxxxxxxxx>
>>>> To:<programmingblind@xxxxxxxxxxxxx>
>>>> Sent: Friday, May 07, 2010 8:15 PM
>>>> Subject: C# Writing to a file
>>>>
>>>>
>>>>> Hi Varun,
>>>>>
>>>>> I tried writing to a file, but the comiler does not like the ?
>>>>> \.  The following is what I coded.
>>>>> File.AppendAllText(C:\Documents and Settings\celia\My Documents\Visual
>>>>> Studio\Projects\TestCode,Data);
>>>>>
>>>>> It gives me an error on the \.  Do you know what I need to do so it
>>>>> will
>>>>> except the \?
>>>>>
>>>>> Thanks,
>>>>> Celia
>>>>>
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