tar and fifos

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1. AIX

Tar - pre-checking before making the Tar file

Coming from this thread, just wondering if there is an option to check if the Tar of the files/directory will be without any file-errors without actually making the tar. Scenario: Let's say you have a directory of 20GB, but you don't have the space to make Tar file at the moment, and you want...

2. UNIX for Dummies Questions & Answers

Do I need to extract the entire tar file to confirm the tar folder is fine?

I would like to confirm my file.tar is been tar-ed correctly before I remove them. But I have very limited disc space to untar it. Can I just do the listing instead of actual extract it? Can I say confirm folder integrity if the listing is sucessful without problem? tar tvf file1.tar ...

3. Shell Programming and Scripting

tar command to explore multiple layers of tar and tar.gz files

Hi all, I have a tar file and inside that tar file is a folder with additional tar.gz files. What I want to do is look inside the first tar file and then find the second tar file I'm looking for, look inside that tar.gz file to find a certain directory. I'm encountering issues by trying to...

4. Programming

kill() function problem in client-server ipc message using 2 FIFOs

I want to have a message send & receive through 2 uni-direction FIFO Flow of data FIFO1 stdin--->parent(client) writefd--->FIFO1-->child(server) readfd FIFO2 child(server) writefd2---->FIFO2--->parent(client) readfd2--->stdout I need to have boundary structed message...

5. UNIX for Dummies Questions & Answers

tar -cvf test.tar `find . -mtime -1 -type f` only tar 1 file

Hi all, 4 files are returned when i issue 'find . -mtime -1 -type f -ls'. ./ora_475244.aud ./ora_671958.aud ./ora_934052.aud ./ora_934050.aud However, when I issued the below command: tar -cvf test.tar `find . -mtime -1 -type f`, the tar file only contains the 1st file -...

6. UNIX for Advanced & Expert Users

How to create a Tar of multiple Files in Unix and FTP the tar to Windows.

Hi, On my Unix Server in my directory, I have 70 files distributed in the following directories (which have several other files too). These files include C Source Files, Shell Script Source Files, Binary Files, Object Files. a) /usr/users/oracle/bin b) /usr/users/oracle...

7. UNIX for Advanced & Expert Users

UNIX domain sockets vs FIFOs

Is there a performance advantage of one of these over the other? Obviously, it makes no sense to use normal TCP sockets or UDP sockets w/ the overhead they carry. But what about UNIX domain sockets vs FIFOs? I'd think they'd be very similar, in terms of performance and in terms of how they're...

8. Linux

A little help understanding FIFOs?

This isn't strictly a Linux question, but... I've been working on a project to archive some streaming media for time shifting using 'mplayer' and have been using FIFOs to archive in Ogg Vorbis format: mkfifo program_name.wav (mplayer -ao pcm -aofile program_name.wav &)...

9. Programming

forks, ipc, fifos, update issues...

Hi, so I've got this program("main") that fork executes another ("user"). These programs communicate through fifos. One communication is a spawn call, where user passes an executable, main forks and executes it. So, I'm keeping track of all my processes using a task table. After the fork (for...

10. Programming

Praying for help: FIFOs, IPC

omg i need help so bad. I've been working on a school project for what seems like an eternity and i'm close to deadline. Using FIFO's (i ahve to) to communicate between parent and child proc's. Right now I'm stuck on a read/write. fifomsg is a struct with int length and char message fields. ...

UNIX for Advanced & Expert Users