Reading one line at a time and parsing - StreamReader HELP!?

[BlueOysterCult]

Hello all
I have a project that I have to read the file - which I have done I
can see the file output. I then need to read the line - parse the
line into three separate values (there are 3 = name age and gender)
static void DoPartD()
{

FileInfo theSourceFile = new FileInfo(@"c:\\ Documents and
Settings\\Rob\\ School\\CIS 252\\Ass2\\peop le.DAT");
StreamReader reader = theSourceFile.O penText();
StreamWriter writer = new StreamWriter(@" c:\\Documents and
Settings\\Rob\\ School\\CIS 252\\Ass2\\peop le.BAK",false);

string text;

do
{
text = reader.ReadLine ();
writer.WriteLin e(text);
Console.WriteLi ne(text);
} while (text != null);
reader.Close();
writer.Close();
}

I am not sure how to read just one line at a time to parse them

like I said, I can see all the lines when
Console.writeli ne(text)......

It is delimited with a semi colon

Thanks

Rob

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[Jon Skeet [C# MVP]]

BlueOysterCult <sc****@serv-dot-net.no-spam.invalid> wrote:

I have a project that I have to read the file - which I have done I
can see the file output. I then need to read the line - parse the
line into three separate values (there are 3 = name age and gender)

static void DoPartD()
{

FileInfo theSourceFile = new FileInfo(@"c:\\ Documents and
Settings\\Rob\\ School\\CIS 252\\Ass2\\peop le.DAT");
StreamReader reader = theSourceFile.O penText();
StreamWriter writer = new StreamWriter(@" c:\\Documents and
Settings\\Rob\\ School\\CIS 252\\Ass2\\peop le.BAK",false);

string text;

do
{
text = reader.ReadLine ();
writer.WriteLin e(text);
Console.WriteLi ne(text);
} while (text != null);
reader.Close();
writer.Close();
}

I am not sure how to read just one line at a time to parse them
You *are* already reading just one line at a time - although you ought
to break out of your loop as soon as text is null, rather than calling
writer.WriteLin e(null) and Console.WriteLi ne (null) - it doesn't matter
for those two calls, but for other calls which use text, it may well.
like I said, I can see all the lines when
Console.writeli ne(text)......

It is delimited with a semi colon

So within your loop, where you've got writer.WriteLin e and
Console.WriteLi ne, put the parsing code, which should probably use
String.Split.

--
Jon Skeet - <sk***@pobox.co m>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too

[Kumar]

to read one line at a time u can use the following code
using System.IO;
using System;

public class cls
{

public static void Main()
{

FileInfo fl = new FileInfo("file. txt");
StreamReader reader = fl.OpenText();
while(reader.Pe ek()>=0)
{
Console.WriteLi ne(reader.ReadL ine().ToString( ));
}

reader.Close();

}

}
"BlueOysterCult " <sc****@serv-dot-net.no-spam.invalid> wrote in message
news:40******** **@127.0.0.1...

Hello all
I have a project that I have to read the file - which I have done I
can see the file output. I then need to read the line - parse the
line into three separate values (there are 3 = name age and gender)
static void DoPartD()
{

FileInfo theSourceFile = new FileInfo(@"c:\\ Documents and
Settings\\Rob\\ School\\CIS 252\\Ass2\\peop le.DAT");
StreamReader reader = theSourceFile.O penText();
StreamWriter writer = new StreamWriter(@" c:\\Documents and
Settings\\Rob\\ School\\CIS 252\\Ass2\\peop le.BAK",false);

string text;

do
{
text = reader.ReadLine ();
writer.WriteLin e(text);
Console.WriteLi ne(text);
} while (text != null);
reader.Close();
writer.Close();
}

I am not sure how to read just one line at a time to parse them

like I said, I can see all the lines when
Console.writeli ne(text)......

It is delimited with a semi colon

Thanks

Rob

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[Jon Skeet [C# MVP]]

Kumar <ku************ *******@NoSpam. hotmail.com> wrote:

to read one line at a time u can use the following code
<snip>
Console.WriteLi ne(reader.ReadL ine().ToString( ));

There's no need to call ToString() - ReadLine() already returns a
string.

--
Jon Skeet - <sk***@pobox.co m>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too

[Kumar]

yeah you are right.. bad habit.. I got used to use ToString() too much..
that too when I write code using notepad.. I tend to use it more often..
since i wouldnt have the help if IDE..

"Jon Skeet [C# MVP]" <sk***@pobox.co m> wrote in message
news:MP******** **************@ msnews.microsof t.com...

Kumar <ku************ *******@NoSpam. hotmail.com> wrote:

to read one line at a time u can use the following code

<snip>

Console.WriteLi ne(reader.ReadL ine().ToString( ));

There's no need to call ToString() - ReadLine() already returns a
string.

--
Jon Skeet - <sk***@pobox.co m>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too

[BlueOysterCult]

ugggg

I have tried everything - nothing is working

I can't get the syntax right-- I know its something.Split ({";"});

etc but nothing is working
Forgive me - I am new to C#

R

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[Justin Rogers]

myString.Split( ';'); // This what you need?

This uses the params char[] sep overload. With params, the compiler is able to
accept an expanded parameter list to the function and shrink that down into the
required array for you. To explicitly package a character array you could use:

myString.Split( new char[] {';'});
--
Justin Rogers
DigiTec Web Consultants, LLC.
Blog: http://weblogs.asp.net/justin_rogers

"BlueOysterCult " <sc****@serv-dot-net.no-spam.invalid> wrote in message
news:40******** @127.0.0.1...

ugggg

I have tried everything - nothing is working

I can't get the syntax right-- I know its something.Split ({";"});

etc but nothing is working
Forgive me - I am new to C#

R

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http://www.newsfeed.com The #1 Newsgroup Service in the World! >100,000 Newsgroups ---= 19 East/West-Coast Specialized Servers - Total Privacy via Encryption

=---

[Jon Skeet [C# MVP]]

BlueOysterCult <sc****@serv-dot-net.no-spam.invalid> wrote:

I have tried everything - nothing is working

I can't get the syntax right-- I know its something.Split ({";"});

etc but nothing is working
Forgive me - I am new to C#

Have you looked closely at the documentation for String.Split, and the
example given?

--
Jon Skeet - <sk***@pobox.co m>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too