Hi folks,
I'm a bit of a novice at this but here goes. I want to read in nodes from an XML file, and map the path to each.
eg the file is structured
<node><nodename>.</nodename>
<node><nodename>topnode</nodename>
<node><nodename>subnode1</nodename></node>
... (1 Reply)
i have several thousand files and in subdirs that are named
file.46634.txt
budget.75346.pdf
etc
i want to remove the number but retain the extension.
it is always a 5 digit.
thanks. (6 Replies)
Hi, i need a bit of help writting a tcsh script which renames all ascii text files in the current directory by adding a number to their names before the extension
so for example, a directory containing the files
Hello.txt
Hello.t
Hello
should have the following changes,
Hello.txt... (2 Replies)
Hi All,
Can you please help me.
The situation is like this. There are many different file name in this directory.
I have to grep all the file that the name start with "PTWO" and rename it to COM with the current date.
This is the script that I have done and it hit an... (16 Replies)
Hello~
I'm on AIX version 5 and I believe I have the tcsh shell environment to play in. Can you guys help me with a solution to rename all files that have "eclp" in the filename to "ecl" ? I basically want to rename the files and strip the "p" out.
i.e. original filenames:
... (3 Replies)
Hi,
I've got a large to task to do, which I've broken into three section. I'm just stuck on one of the sections.
I have to change the end of a filename from .txt to .doc in a directory. So if I have a directory called "folder1" and two files contained in it called "file1.txt" and "file2.txt",... (7 Replies)
Hi, I am pretty new to this.
I have a condition where in I want to replace all files within a folder. All filenames with character "abc" would need to replaced with "xyz".
eg:
helloabcworld-->helloxyzworld
helloworld-->helloworld
...
...
Thanks in advance. (6 Replies)
In the Directory all the Files are following format.
Filename_yyyymmdd_numbers.txt
eg.
file_name_20120106_015802.txt .
I want to write the Shell script to rename all the file to
file_name.txt.in the directory.
Thanks
Mani (5 Replies)
Need a urgent help
I have a data like below
044 CN CNP
032 MB MBD
567 NH NHI
678 GY GYP
.
.
.
.
250 records
above data are loaded from a table ...
I have a shell script which will read each line and in a specific position it has extn code like ... 044 or 032 ...
i need... (3 Replies)
Discussion started by: greenworld123
3 Replies
LEARN ABOUT PLAN9
pcap_get_selectable_fd
PCAP_GET_SELECTABLE_FD(3PCAP)PCAP_GET_SELECTABLE_FD(3PCAP)NAME
pcap_get_selectable_fd - get a file descriptor on which a select() can be done for a live capture
SYNOPSIS
#include <pcap/pcap.h>
int pcap_get_selectable_fd(pcap_t *p);
DESCRIPTION
pcap_get_selectable_fd() returns, on UNIX, a file descriptor number for a file descriptor on which one can do a select() or poll() to wait
for it to be possible to read packets without blocking, if such a descriptor exists, or -1, if no such descriptor exists. Some network
devices opened with pcap_create() and pcap_activate(), or with pcap_open_live(), do not support select() or poll() (for example, regular
network devices on FreeBSD 4.3 and 4.4, and Endace DAG devices), so -1 is returned for those devices.
Note that in:
FreeBSD prior to FreeBSD 4.6;
NetBSD prior to NetBSD 3.0;
OpenBSD prior to OpenBSD 2.4;
Mac OS X prior to Mac OS X 10.7;
select() and poll() do not work correctly on BPF devices; pcap_get_selectable_fd() will return a file descriptor on most of those versions
(the exceptions being FreeBSD 4.3 and 4.4), but a simple select() or poll() will not indicate that the descriptor is readable until a full
buffer's worth of packets is received, even if the read timeout expires before then. To work around this, an application that uses
select() or poll() to wait for packets to arrive must put the pcap_t in non-blocking mode, and must arrange that the select() or poll()
have a timeout less than or equal to the read timeout, and must try to read packets after that timeout expires, regardless of whether
select() or poll() indicated that the file descriptor for the pcap_t is ready to be read or not. (That workaround will not work in FreeBSD
4.3 and later; however, in FreeBSD 4.6 and later, select() and poll() work correctly on BPF devices, so the workaround isn't necessary,
although it does no harm.)
Note also that poll() doesn't work on character special files, including BPF devices, in Mac OS X 10.4 and 10.5, so, while select() can be
used on the descriptor returned by pcap_get_selectable_fd(), poll() cannot be used on it those versions of Mac OS X. Kqueues also don't
work on that descriptor. poll(), but not kqueues, work on that descriptor in Mac OS X releases prior to 10.4; poll() and kqueues work on
that descriptor in Mac OS X 10.6 and later.
pcap_get_selectable_fd() is not available on Windows.
RETURN VALUE
A selectable file descriptor is returned if one exists; otherwise, -1 is returned.
SEE ALSO pcap(3PCAP), select(2), poll(2)
5 April 2008 PCAP_GET_SELECTABLE_FD(3PCAP)