Hi, I appreciate your help. But still I have one more problem. As I did explain, I am reading file names from a file. This file contains some history of each file in the entire source code. Like:

Module: /org/trans/program files/dir1
/dir2/file1.cpp
some flags
some history
[download]

So I pickup file name using reglar expression. My problem is when it breaks into two lines, like

Module: /org/trans/program  
files/dir1/subdir1/subdir2/file1.cpp
some flags
some history
[download]

In this case how to write my regular expression? I do not know in which line filename in a file breaks into two lines. The file I read is a big file and I can not keep into memory. Thanks again to you all. I am learning a lot. Ashok

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