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Posted 2 Apr 2006

C++ Win32 Command Line Tail - Made Easy

, 2 Apr 2006
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Tail Program - Similar to unix tail - I found tail programs - but not a good CUI project. It runs continuously and prints the last characters as soon as the file gets updated. Coding is very easy - and one can reuse and move further with it

Sample Image - Tail.jpg


This is a command line tail program which prints the last updated characters of a file. One can use this to view the log files.

This program keeps on running and as soon as the file gets updated, the last characters are shown.


Tail [Absolute File Path]


tail c:\demo.txt
Above command shows the last characters of the file as soon as it is updated and waits again for the file to be updated

About The Code

Code is very simple - still some notes on it.

  • getftime - Small function to get the File Timestamp in character array.
  • getfnoc - Returns number of characters of a file
  • Logic: First I opened the file, got its timestamp and total characters present. Next in a loop - with sleep delay, i am checking the timestamp with initial one, and if there is diffrence, just printing the added characters and updating the variable for total characters. Thats All. Very Easy.


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About the Author

Web Developer
India India
Hi, I am a simple programmer and try to make things as simple as possible.

I code in c++, vb, perl etc. and try making simple objects out of things which look very hard

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Comments and Discussions

GeneralMy vote of 2 Pin
Member 37857014-Mar-09 5:21
memberMember 37857014-Mar-09 5:21 
GeneralDon't work Pin
robertomir19-May-07 3:11
memberrobertomir19-May-07 3:11 
GeneralSome issues Pin
prcarp3-Apr-06 5:19
memberprcarp3-Apr-06 5:19 
GeneralRe: Some issues Pin
kbfromindia3-Apr-06 21:39
memberkbfromindia3-Apr-06 21:39 

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