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Forum: Programming / Scripting

Request help with C/C++, Perl, PHP, Python, Ruby, Bash Scripts, or other Linux programming/scripting related issues

  1. [SOLVED] Zombies created even after successful waitpid()

    Hi, I'm writing an init system (think Upstart or systemd) called Epoch, but I'm running into an infuriating bug. I can't find answers on search...

    Started by bendib, 09-14-2013
    • Replies: 6
    • Views: 995
    09-24-2013 Go to last post
  2. BASH script help - replace phrase and count changes

    Hello, I am trying to write a bash shell script that will do the following: It will read in 3 arguments, the first one being a file or...

    Started by saterial, 09-23-2013
    • Replies: 2
    • Views: 1,548
    09-24-2013 Go to last post
  3. Did you know postscript is a programming language?

    Indeed. It works like one of those funny programming languages that goes 123 { do_something } for instead of for 123 { do_something } or

    Started by Miven, 09-24-2013
    • Replies: 1
    • Views: 441
    09-24-2013 Go to last post
  4. Question Question on "INSTALL" file

    There is a file that is often included in packages for compiling and installing software. The file is: "INSTALL". It is NOT the "install" file that...

    Started by BugCatcher, 09-21-2013
    • Replies: 2
    • Views: 459
    09-24-2013 Go to last post
  5. [C programming] binding POSIX threads to a specific processor core.

    Hi folks. I am trying to optimize the performance for a multi-(POSIX)thread application running on a multi-processor platform. Each processor is...

    Started by stefano913, 09-22-2013
    • Replies: 7
    • Views: 8,826
    09-22-2013 Go to last post
  6. Expect scripting, the OR ( "||" ) comparison operator

    Just a simple question on the script program behavior for the OR operator: Does the OR Operator "||" act as inclusive, or does it act as exclusive...

    Started by kmatsumari, 09-21-2013
    • Replies: 4
    • Views: 4,009
    09-22-2013 Go to last post
  7. C++ gui Calculator

    Hello guys I am trying to make a gui calculator in C++ without using a program to drag and drop the buttons just so I can learn it before I do it the...

    Started by awesomepilot, 09-16-2013
    • Replies: 2
    • Views: 1,801
    09-21-2013 Go to last post
  8. expect and minicom as background process

    hy, sorry for my english first :) so, i have a script wich use except for setting a switch configuration script accept parameters : ip,netmask and...

    Started by kheptan, 09-19-2013
    • Replies: 2
    • Views: 5,009
    09-19-2013 Go to last post
  9. Returning the matched part of a search from each line

    Hi, I am trying to find a linux command that will take the following text, and return just the email addresses that are immediately to the right of...

    Started by chuckee, 09-16-2013
    • Replies: 2
    • Views: 556
    09-16-2013 Go to last post
  10. [Bash] Wait for program termination attempt & stop it from termination

    Let me explain exactly what I'm trying to achieve. I want to write a bash script which will be "watching" some application. As soon as an attempt...

    Started by rockor, 09-13-2013
    • Replies: 1
    • Views: 641
    09-15-2013 Go to last post
  11. Redirecting input and output in C for exec function

    I have this code: #include <stdio.h> //printf #include <stdlib.h> //exit #include <unistd.h> //fork #include...

    Started by LiteHacker, 09-15-2013
    • Replies: 1
    • Views: 1,785
    09-15-2013 Go to last post
  12. Question Stuck with Awk !!

    Hii everyone, Can someone help me with geting the desired output? Source ::: Bank1.sss 63 Result code 2 Result code ...

    Started by zsycho, 09-14-2013
    • Replies: 2
    • Views: 694
    09-14-2013 Go to last post
  13. Question BASH Passing information from parent script to child script

    The brief: I'm pretty new at BASH. I'm messing with it and at work trying to remake a script we have in Perl and make it in BASH. So, if you could...

    Started by MuNotEpsilonNot, 09-14-2013
    • Replies: 3
    • Views: 1,206
    09-14-2013 Go to last post
  14. indexing on computer

    I have written a bash script to remove sections of a file and assign it the appropriate variables. I need to figure out how to index this part of...

    Started by surfin, 09-13-2013
    • Replies: 1
    • Views: 430
    09-13-2013 Go to last post
  15. SU command not asking for password or integrate password in php code

    I have this php code that will copy files into another server with different username. <?php exc('su testsiteuser-c \'cp -r folderfrom/*...

    Started by iris2gud, 09-13-2013
    • Replies: 1
    • Views: 499
    09-13-2013 Go to last post
  16. [SOLVED] How does shell divide up the arguments?

    Consider the following in Bourne Shell: a='1 + 2' expr $a When you run this, $a will be replaced with 1 + 2, and expr will think you passed in...

    Started by LiteHacker, 09-12-2013
    • Replies: 5
    • Views: 531
    09-13-2013 Go to last post
  17. Piping the "script" command through the logger command.

    I use the snippet below in /etc/profile on RHEL Linux to capture command line logging and it all works well and good. Now I'd like to pipe the...

    Started by woodson2, 09-12-2013
    • Replies: 2
    • Views: 467
    09-13-2013 Go to last post
  18. kioclient exec works, but xdg-open doesn't (custom mime/extension)

    Hi everyone! I finished my open source application and now I'd like to deploy it as rpm (It's not an rpm specific issue). I can open programs...

    Started by Vogtinator, 09-12-2013
    • Replies: 0
    • Views: 793
    09-12-2013 Go to last post
  19. Get starting LBA for a mapper partition?

    Hi, So for DMRAID and mapper partition types, there is no "start" file in sysfs. If you use the old ioctl HDIO_GETGEO it returns the start as 0. ...

    Started by dfatlf, 09-09-2013
    • Replies: 0
    • Views: 549
    09-09-2013 Go to last post
  20. Inter Process Communication in linux with java

    hi every one i want to communicate between two Java Process on linux, i am searching for a library for that please help me thanks

    Started by t3nano, 09-04-2013
    • Replies: 1
    • Views: 852
    09-09-2013 Go to last post

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