10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I have created a fifo named pipe in solaris, which writes the content of a file, line by line, into pipe as below:
$ mkfifo namepipe
$ cat books.txt
"how to write unix code"
"how to write oracle code"
$ cat books.txt >> namepipe &
I have a readpipe.sh script which reads the named... (2 Replies)
Discussion started by: naveen mani
2 Replies
2. Shell Programming and Scripting
I'm trying to read a fifo using awk and comming across some problems. I'm writing to the fifo from multiple processes invoked by GNU Parallel:
mkfifo my_fifo
awk '{ a = a + $2 } END { for (i in a) print i, a }' my_fifo | sort -nk1 > sorted_output
grep -v '^@' massive_file | parallel... (3 Replies)
Discussion started by: nathanhaigh
3 Replies
3. Programming
Hi guys.
1. how much is the size of pipe?(i mean the buffer size)
2. is this size different in various UNIX derivations?
3. what happens if we write to a full pipe? does it block until get some free space(the other side receive data) or returns an error?
3. FIFO s are physical files on the... (2 Replies)
Discussion started by: majid.merkava
2 Replies
4. UNIX for Advanced & Expert Users
Hi,
How do I know the max. size for FIFO(named pipe) on my system.
I'm using solaris 10 OS. Is there any comparison chart between message queues and named pipes.
Thanks in advance. (4 Replies)
Discussion started by: axes
4 Replies
5. UNIX for Advanced & Expert Users
Hi
This is a exercise question from Unix network programming vol2.
Why the SIGPIPE signal is generated only for writers when readers disappear.
why not it is generated for readers when writer disappears.
I guess, if the writer didn't get any response like the reader gets EOF,
it will... (4 Replies)
Discussion started by: kumaran_5555
4 Replies
6. UNIX for Dummies Questions & Answers
Can someone explain to me the working of fifo() system call using simple C programs so that I can implement them in the UNIX environement? (1 Reply)
Discussion started by: lvkchaitanya
1 Replies
7. Shell Programming and Scripting
Hi!!
I have a problem reading from a fifo pipe in shell script.
The idea is simple, I have a C program with two pipe files:
An input pipe I use to send commands in shell script to the C program (echo "command" > input.pipe)
An output pipe that I read the result of the command also in... (4 Replies)
Discussion started by: victorin
4 Replies
8. AIX
Hi:-
One of our users is getting an error: "There is no process to read data written to a pipe.”
I am trying to find out what the pipe buffer size is currently set to. How do I go about this?
Thanks, (0 Replies)
Discussion started by: janet
0 Replies
9. Filesystems, Disks and Memory
Hello!
How I can increase or decrease predefined pipe buffer size?
System FreeBSD 4.9 and RedHat Linux 9.0
Thanks! (1 Reply)
Discussion started by: Jus
1 Replies
10. Programming
Could someone Help me with this code please?
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <fcntl.h>
#define SIZE_B 256 /*buffer's size */
#define NUM_ARG 20 /* max number of args for any command */
int... (4 Replies)
Discussion started by: M3xican
4 Replies