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Thanks for the replies !



Not necessarily. They just have to read the files into a buffer.

Thanks Jim.

Hey what will be the right command, if I do /not/ want to count any hidden files or any files in hidden directories.

Thanks !

I have a directory which has lots of directories and files in it. I want to determine the total number of files in the top level directory (inclduing the files in sub-dirs)

Is there a unix command...

I have a C program to find out the total size of all the files in a directory.

So what it does is.. it scans through all the files in the directory and does a stat() on each of them and sums up...

I have the following expression:

#define GB (1024 * 1024 * 1024)
#define TB (1024 * GB)
#define MAX_SIZE (3 * TB)

off_t ...

Thanks for your reply guys !

Yes if st_blocks is not as large as st_size that means the file is sparse. And I can even calculate the number of holes it has. But my problem was to know exactly...

Lets say my program reads one block (4096 bytes) at a time from a file. It needs to report whether that block is a hole.

The program currently uses read() to read 1 block into a 4KB buffer.
...

Hi, does anyone know how can I skip a loop 'n' number of times in gdb.

For e.g:

for (i= 0; i< 100; i++) {
...
}

Lets say I am single stepping the program and I reach this loop. Now I want...

Can anyone think of a scenario in which size reported by ls -l is less than the size reported by du.

The other way round is possible, if the file has holes, ls -l will report a size more than du...

since a and b are int b/a will return 0.
So, b/a * 100 will return 0. But since f is float, f will be 0.0

I think this works:

f = ((float)b * 100)/a

Hi reborg, hmm not sure what you mean by clobber..

So, I execute make once. The object files are built from the source files. The executable is then built from these object files.

Now if I run...

Hi,

What I want to do is for make to reconstruct the target even if its dependencies have not changed. So, even if if the dependent files do not have a more recent timestamp, the commands are...

hmm..

thanks for your time Perderabo, I will see what I can do.. try and contact the system admin..

really appreciate your help !!!!

Also, in my home dir I did a nfs mount of a file from a storage system. I did not specify any noatime option but yet the atime is not changing for thie file on doing a cat.

Hey Perderabo, I am not mounting anything.. I just created a file on my home directory.

(do u mean that my home directory was mounted with no atime updates ?? I never made use of any nfs mount...

Guys, why is the atime not changing ? I use cat to read the file.. why the hell does the atime not change :( is there some setting that I need to change ? Also, if I use read in my program, the...

Thanks Perdarebo and sysgate !!! :)

Hi, I had a question which is somewhat related to /tmp so I thought I would put it here, instead of starting a new topic :)

does anyone know whether the uniq command make use of the /tmp directory...

Thanks Johnf !! that worked.. !! :)

well, first the cursor is just after the '5'
second its just after the 'f'

third, the cursor is *on* the '5'

oops, the cursor position did not come out properly..let me try again..

% ./a.out -g file.txt -n 15
^

Then I correct the typo..

% ./a.out -f file.txt -n 15...

I think its a bash thing and it is really annoying me..

its difficult to explain the problem but I will try..

When I type a command on the shell prompt... then lets say I go back to the 2nd...

Hey,

First of all I want to know How do I see the atime of a file ?? Whats the command ??

I think ls -l shows the last modified time right ? Because when I use cat to read a file, the...