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C#: Log file append size limit, create new and name by datetime ???
Posted on 2004-10-01
The following excellent code was provided to me my EE 'eternal 21'..... It records data bytes line-by-line very nicely.......
Q. How can I limit the log file size and create a new file with a slightly different name (timedate, etc...)???
byte[] newLine = System.Text.ASCIIEncoding.
fs = new FileStream("SyslogTest.txt
using(fs)
{
Byte[] sendBytes = Encoding.ASCII.GetBytes(ma
fs.Write(sendBytes, 0, sendBytes.Length);
fs.Write(newLine, 0, newLine.Length);
}
Q. How can I limit the log file size and create a new file with a slightly different name (timedate, etc...)???
byte[] newLine = System.Text.ASCIIEncoding.
fs = new FileStream("SyslogTest.txt
using(fs)
{
Byte[] sendBytes = Encoding.ASCII.GetBytes(ma
fs.Write(sendBytes, 0, sendBytes.Length);
fs.Write(newLine, 0, newLine.Length);
}
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5 Comments
Have a look at http://www.experts-exchange.com/Programming/Programming_Languages/C_Sharp/Q_21120146.html
Once you detected that a file is too long, you can easily create new logfile using the old filename and add '_2' to the name, or use a date.
HTH,
Razzie
Once you detected that a file is too long, you can easily create new logfile using the old filename and add '_2' to the name, or use a date.
HTH,
Razzie
The following code (above link) deletes the original file by name and creates a file. However, the file will have a different name each time, so "log.txt" will be a variable not a constant.
string fileName = "log.txt";
FileStream fs = new FileStream(fileName,FileMo
int length = fs.Length;
if(length > 500)
{
File.Delete(fileName);
}
if(File.Exists = false) // After deleting the file u can recreate a file with the same name
{
filestream = File.Create(fileName);
}
string fileName = "log.txt";
FileStream fs = new FileStream(fileName,FileMo
int length = fs.Length;
if(length > 500)
{
File.Delete(fileName);
}
if(File.Exists = false) // After deleting the file u can recreate a file with the same name
{
filestream = File.Create(fileName);
}
Active today
What I do most of the time is to add yyyyMM to the filename so each month, a new file is created. In my case, I don't have size problem within a month.
I'm getting a lot of advice, but will anyone help me with the actual code??? I need to create a new log file after the current one reaches either a specific size or by date. The file grows so fast that creating a new file each day will probably work fine...... Below is the actual log writing code......
Here's my first posting........
The following excellent code was provided to me my EE 'eternal 21'..... It records data bytes line-by-line very nicely.......
Q. How can I limit the log file size and create a new file with a slightly different name (timedate, etc...)???
byte[] newLine = System.Text.ASCIIEncoding.
fs = new FileStream("SyslogTest.txt
using(fs)
{
Byte[] sendBytes = Encoding.ASCII.GetBytes(ma
fs.Write(sendBytes, 0, sendBytes.Length);
fs.Write(newLine, 0, newLine.Length);
}
Here's my first posting........
The following excellent code was provided to me my EE 'eternal 21'..... It records data bytes line-by-line very nicely.......
Q. How can I limit the log file size and create a new file with a slightly different name (timedate, etc...)???
byte[] newLine = System.Text.ASCIIEncoding.
fs = new FileStream("SyslogTest.txt
using(fs)
{
Byte[] sendBytes = Encoding.ASCII.GetBytes(ma
fs.Write(sendBytes, 0, sendBytes.Length);
fs.Write(newLine, 0, newLine.Length);
}
System.IO.StreamWriter LogWriter = new System.IO.StreamWriter(new
int DataSize = 0;
int FileCount = 1;
const int MAX_FILE_SIZE = 1000000 // One Meg
public void Log (string Data)
{
DataSize += Data.Length;
if (DataSize > MAX_FILE_SIZE)
{
DataSize = Data.Length;
LogWriter.Close();
LogWriter = new System.IO.StreamWriter(new
}
LogWriter.WriteLine(Data);
}
BTW, eternal21's answer can be shortened to
System.IO.StreamWriter lw = new System.IO.StreamWriter(new
lw.WriteLine(machineName + str);
Far more efficient and cleaner
Also,
http://www.experts-exchange.com/Programming/Programming_Languages/C_Sharp/Q_21154056.html The suggestions in there deal with this as well.
int DataSize = 0;
int FileCount = 1;
const int MAX_FILE_SIZE = 1000000 // One Meg
public void Log (string Data)
{
DataSize += Data.Length;
if (DataSize > MAX_FILE_SIZE)
{
DataSize = Data.Length;
LogWriter.Close();
LogWriter = new System.IO.StreamWriter(new
}
LogWriter.WriteLine(Data);
}
BTW, eternal21's answer can be shortened to
System.IO.StreamWriter lw = new System.IO.StreamWriter(new
lw.WriteLine(machineName + str);
Far more efficient and cleaner
Also,
http://www.experts-exchange.com/Programming/Programming_Languages/C_Sharp/Q_21154056.html The suggestions in there deal with this as well.
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