see inline
From: Raz [EMAIL PROTECTED]
To: Karl Tatgenhorst [EMAIL PROTECTED]
Cc: Manish Katiyar [EMAIL PROTECTED]; kernelnewbies
kernelnewbies@nl.linux.org
Sent: Thursday, 23 October, 2008 1:14:18 AM
Subject: Re: any one knows how to truncate a file from its
What do you mean by truncating at the begining ?
thanks,
Dan.
On Wed, Oct 22, 2008 at 8:12 PM, Raz [EMAIL PROTECTED] wrote:
or a file system that can do it ?
thank you
raz
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Please read the
no.
I mean i want to remove a portion of the file :
if a file is composed of : a,b,c,d blocks.
I want to be able to remove from the **disk** block c or block a.
ftruncate remove the end.
On Wed, Oct 22, 2008 at 7:24 PM, Manish Katiyar [EMAIL PROTECTED] wrote:
On Wed, Oct 22, 2008 at 10:42 PM,
On Wed, Oct 22, 2008 at 10:42 PM, Raz [EMAIL PROTECTED] wrote:
or a file system that can do it ?
What does that mean ???
just doing
$ filename
on command line will truncate itor probably man
ftruncate can help you.
Thanks -
Manish
thank you
raz
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if it is a binary file, use dd and figure out the offset to start from
(man dd will help). If it is a text file just use some perl like this:
#open your file here
$count=0;
$start_removing= 100; ###starting at 100
$stop_removing= 300; ###end of block to remove
whileFILE {
$count++;
I think XFS can do it . it has some un/reserve space ioctl.
3521/*
3522 * XFS_IOC_RESVSP and XFS_IOC_UNRESVSP will reserve or unreserve
3523 * file space.
3524 * These calls do NOT zero the data space allocated to the file,
3525 * nor do they change the
On Thu, Oct 23, 2008 at 1:14 AM, Raz [EMAIL PROTECTED] wrote:
I think XFS can do it . it has some un/reserve space ioctl.
3521/*
3522 * XFS_IOC_RESVSP and XFS_IOC_UNRESVSP will reserve or unreserve
3523 * file space.
3524 * These calls do NOT zero the data
