04-15-2004
Driver, I'm thinking alan has an nfs mounted home directory with the nodevs option set. I would still expect fifos to work under that scenario, but I'm not totally sure.
alan, give Driver's program a try. Knowing which system call is failing with which error will help.
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I'm completely new to UNIX, and having got the hang of directory navigation / creation (Just about), I think it is time to create an FTP account, so that I can upload a web site remotely.
Herein lies the problem...
1: I cannot find a breakdown of addusr commands, so I cannot create a... (2 Replies)
Discussion started by: Dufty
2 Replies
2. Shell Programming and Scripting
Hi,
I am struggling with the following... I try to grep out information of a text file I got with lynx, a text browser. The text file I get from lynx with dump is attached in the bottom.
What I would like to get is another file containing the astro-ph/98324 (number) and title and list of... (13 Replies)
Discussion started by: pau
13 Replies
3. UNIX for Advanced & Expert Users
I had posted this earlier about 3 weeks ago and had recieved a response and I did sort both the files and the comm command is still not working.
Can someone please assist me, I would really appreciate it.
Below is what I am trying to do
I need to compare File A with File B and create FILE C... (2 Replies)
Discussion started by: guiguy
2 Replies
4. Shell Programming and Scripting
!#/bin/bash
cat input.sh | awk '
{
cur1=tolower($1)
cur2=tolower($2)
rsh $cur1 report | grep $cur2
# i just want to make the code line to work
} '
the error which i get is ....
./madh1.sh: line 1: !#/bin/bash: No such file or directory
awk: cmd. line:13: rsh $cur1 report |... (4 Replies)
Discussion started by: geeko
4 Replies
5. Shell Programming and Scripting
Hi,
I am trying to use arrays in my script but can not seem to get it to work.
I have a file called sections, this contains headers from a tripwire log file, separated by "@" but could be "," if easier
The headers will be used to cut sections from the log file into another to be mailed.
... (5 Replies)
Discussion started by: pobman
5 Replies
6. Shell Programming and Scripting
I know this is an easy problem, but I've been struggling with it all morning and finally admit I need help.
I have two files that I need to compare. After doing this the easy way (grep -F) I realize that there are other fields in file2 that match field1 in file1, so I turned to awk.
I want to... (7 Replies)
Discussion started by: moldoverb
7 Replies
7. Programming
Hello guys!
I am doing a project for the university and I have to do that a process has to create several children through fork(). The father process sends a pathname to each one through exec and the children must send to the father a list with the files from each directory.
The father is... (1 Reply)
Discussion started by: dano88
1 Replies
8. Homework & Coursework Questions
Hello guys!
I am doing a project for the university and I have to do that a process has to create several children through fork(). The father process sends a pathname to each one through exec and the children must send to the father a list with the files from each directory.
The father... (1 Reply)
Discussion started by: dano88
1 Replies
9. UNIX for Dummies Questions & Answers
Greetings!
I have been tasked to create a report off files we receive from our hardware suppliers. I need to grep these files for two fields 'Test_Version' and 'Model-Manufacturer' ; for each field, I need to capture their corresponding values.
When running each statement separately, I get... (4 Replies)
Discussion started by: alan
4 Replies
10. Shell Programming and Scripting
Hello fellows,
Sure you can help this poor guy that is struggling against sed command, being unable to tame it
I have a lot of files like this:
From this one, I need to obtain values highlighted in bold/red
To do so, I am executing this piece of code inside a loop:
... (10 Replies)
Discussion started by: manolain
10 Replies
MKFIFO(1) User Commands MKFIFO(1)
NAME
mkfifo - make FIFOs (named pipes)
SYNOPSIS
mkfifo [OPTION]... NAME...
DESCRIPTION
Create named pipes (FIFOs) with the given NAMEs.
Mandatory arguments to long options are mandatory for short options too.
-m, --mode=MODE
set file permission bits to MODE, not a=rw - umask
-Z set the SELinux security context to default type
--context[=CTX]
like -Z, or if CTX is specified then set the SELinux or SMACK security context to CTX
--help display this help and exit
--version
output version information and exit
AUTHOR
Written by David MacKenzie.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report mkfifo translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
mkfifo(3)
Full documentation at: <http://www.gnu.org/software/coreutils/mkfifo>
or available locally via: info '(coreutils) mkfifo invocation'
GNU coreutils 8.28 January 2018 MKFIFO(1)