08-04-2002
Agreed...in that if you are writing the script whcih produces the delimiter...you may be able to make it a tab straight off. If it's requried for something else as a pipe...then you can decide to either create with tab..email then translate to pipes...or vice versa.
And I like the link with the perl ....I stand almost corrected (almost).
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I write a sh script that zip and copy to tape all files that older then 2 hours.
1. The way I choose is - touch a file with "now - 2 hours", then use fine with '! -newer'
2. Do you have any other idea to do it ?
tnx. (1 Reply)
Discussion started by: yairon
1 Replies
2. Programming
I need to compile a file,but 'make' does
not work.please tell me how to use it or
need which tools? (3 Replies)
Discussion started by: dsun5
3 Replies
3. Shell Programming and Scripting
I wonder how I shall read the result below, especially 'what'
shown below.
The result was shown when I entered 'w'.
E.g what is TOP? What is gosh ( what does selmgr mean?)?
login@ idle JCPU PCPU what
6:15am 7:04 39 39 TOP
6:34am 6:45 45 45 TOP
6:41am ... (1 Reply)
Discussion started by: Aelgen
1 Replies
4. UNIX for Advanced & Expert Users
Can anybody help me?
I am developing a utility for automating message paging to a BT alphanumeric pager.
I am using a USR 56K Fax-modem connected to /dev/cuab on a Sun Ultra-10. I am using the UNIX 'tip' utility to connect to the modem and I have configured the modem as follows: Baud Rate:... (2 Replies)
Discussion started by: mybeat
2 Replies
5. Filesystems, Disks and Memory
Hi, guys, I have a big problem.
I've got a sun solaris 4.1.4 workstation, and the /var/adm/message file will add one row every few seconds. It soon becomes a large file.
I wander if there are some mistakes configuring the workstation.
the /var/adm/message is as follow:
... (1 Reply)
Discussion started by: cloudsmell
1 Replies
6. UNIX for Dummies Questions & Answers
Hi, guys, I have a big problem.
I've got a sun solaris 4.1.4 workstation, and the /var/adm/message file will add one row every few seconds. It becomes a large file in a short time.
I wander if there are some mistakes configuring the workstation.
the /var/adm/message is as follow:
... (3 Replies)
Discussion started by: cloudsmell
3 Replies
7. UNIX for Dummies Questions & Answers
echo 'it's friday'
why appear the > (3 Replies)
Discussion started by: yls177
3 Replies
8. Email Antispam Techniques and Email Filtering
Here is a crude procmail recipe that I quickly created (NOT a procmail recipe expert, btw) that has been catching lots of spam (current second after the charset_spam recipe posted earlier):
:0B
* .*If.you.do.not.wish.to.receive...*
more_spam
:0B
* You.requested.to.receive.this.mailing... (0 Replies)
Discussion started by: Neo
0 Replies
9. UNIX for Advanced & Expert Users
Somehow someone created a file named '-ov' in the root directory.
Given the name, the how was probably the result of some cpio command they bozo'ed.
I've tried a number of different ways to get rid of it using * and ? wildcards, '\' escape patterns etc.. They all fail with " illegal option --... (3 Replies)
Discussion started by: GSalisbury
3 Replies
10. Shell Programming and Scripting
Hopefully this doesn't come off as too much of a "newbie" question or a flamebait. But I have recently begun working with a Sun Solaris box after having spent the past five years working with RedHat. From what i can tell, thing look fairly similar and the 'man' command is some help. But I've... (7 Replies)
Discussion started by: deckard
7 Replies
pipe(2) System Calls Manual pipe(2)
NAME
pipe() - create an interprocess channel
SYNOPSIS
DESCRIPTION
creates an I/O mechanism called a pipe and returns two file descriptors, fildes[0] and fildes[1]. fildes[0] is opened for reading and
fildes[1] is opened for writing.
A read-only file descriptor fildes[0] accesses the data written to fildes[1] on a first-in-first-out (FIFO) basis. For details of the I/O
behavior of pipes see read(2) and write(2).
By default, HP-UX pipes are not STREAMS-based. It is possible to generate the kernel so that all pipes created on a system are STREAMS-
based. This can only be done for HP-UX releases 10.0 and later. STREAMS-based FIFOs (created by or are not supported on HP-UX.
To generate a kernel that supports STREAMS-based pipes:
o STREAMS/UX must be installed.
o The module and the driver must be included in the file. (When STREAMS/UX is installed, and are automatically added to the system
file.)
o The tunable parameter (see streampipes(5)) must be set to 1 in the file. (This is not automatically done when STREAMS/UX is
installed.)
o The kernel must be generated and the system rebooted. Once this is done, all pipes created by will be STREAMS-based.
For more information, see
EXAMPLES
The following example uses to implement the command string
RETURN VALUE
returns one of the following values:
Successful completion.
Failure.
is set to indicate the error.
ERRORS
sets to one of the following error values if the corresponding condition is true.
or more file descriptors are currently open.
The system file table is full.
The file system lacks sufficient space to create the pipe.
Could not allocate resources for both Stream heads
(STREAMS-based pipes only).
SEE ALSO
sh(1), read(2), write(2), popen(3S), privileges(5), streampipes(5), streamio(7).
STANDARDS CONFORMANCE
pipe(2)