Sponsored Content
Top Forums Shell Programming and Scripting Reading from blocking fifo pipe in shell script Post 302116677 by Franklin52 on Monday 7th of May 2007 01:50:02 PM
Old 05-07-2007
cat is waiting for input from the keyboard, enter CTRL+D to close it.

Regards
 

10 More Discussions You Might Find Interesting

1. Programming

Pipe & fifo....

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

2. UNIX for Advanced & Expert Users

PIPE and FIFO buffer size

Hello! How I can increase (or decrease) the predefined pipe buffer size? Thanks! (1 Reply)
Discussion started by: Jus
1 Replies

3. UNIX for Dummies Questions & Answers

fifo or named pipe working?

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

4. Shell Programming and Scripting

Non-blocking pipe

Hello, Would this be an acceptable way of creating a non-blocking pipe. Basically I want to create kind of a server client arch. This code would be in the server, and I don't want to have to wait for clients to read before moving on to the next client. One problem I can see is if... (4 Replies)
Discussion started by: cdlaforc
4 Replies

5. UNIX for Advanced & Expert Users

Why not SIGPIPE for readers of pipe/FIFO?

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. Homework & Coursework Questions

FIFO possible blocking or unknown error

Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted! 1. The problem statement, all variables and given/known data: Create a chat program using two FIFOs one for writing and the other for reading. The problem is something... (1 Reply)
Discussion started by: Ebodee
1 Replies

7. Programming

Pipe & fifo size limit

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

8. Shell Programming and Scripting

awk reading from named pipe (fifo)

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

9. Shell Programming and Scripting

Using Named pipe in shell script

Hi, I want to use a Named pipe to get input from a growing file for further processing. When I prototype this scenario using a while loop, the data is not written to the named pipe. This the script I use to get data into the Named pipe: #!/bin/ksh mkfifo pipe while (( n <= 10 )) do echo... (2 Replies)
Discussion started by: sudvishw
2 Replies

10. Shell Programming and Scripting

UNIX fifo concurrent read from a named pipe

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
tsm.lpadmin(1M) 														   tsm.lpadmin(1M)

NAME
tsm.lpadmin - add or remove a printer for use with tsm(1) SYNOPSIS
printer model printer DESCRIPTION
is used to add (or remove) a printer to the LP spooling system when the printer is connected to the system through a terminal running the Terminal Session Manager (see tsm(1)). is a shell script that uses in the normal way but also creates a named pipe to which LP output is directed (see lpadmin(1)). This named pipe is opened by TSM and data flowing from it is sent to the printer through the terminal. Options recognizes the following options: Names a printer to be created with an associated pipe. If is used, must also be specified. Selects a model interface program for printer. model is one of the model interface names supplied with the LP software (see the Models topic in the lpad- min(1)) manual entry. If is used, must also be specified. Removes printer from the LP system. No other options are allowed with Restrictions To use you must be user or AUTHOR
was developed by HP. FILES
SEE ALSO
lpadmin(1M), tsm(1). tsm.lpadmin(1M)
All times are GMT -4. The time now is 08:53 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy