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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. Binary file

    Hi, I have an introduction calss to Linux. My professor asked if is it possible to modify a binary file from the shell. I found hexdump and xxd...

    Started by linus_, 09-27-2013
    • Replies: 1
    • Views: 635
    09-27-2013 Go to last post
  2. Best Linux programming langauge??

    I've been using Linux distros for about more than a year now, I would really like to take it up another level and begin programming in Linux. I want...

    Started by owemeacent, 09-22-2013
    • Replies: 7
    • Views: 1,077
    09-27-2013 Go to last post
  3. Escaping quotes in shell

    I have the following shell line script: a=$(prog2 $(prog1 "$var")) I am putting $var in quotes just in case $var has a delimiter in it, so prog1...

    Started by LiteHacker, 09-24-2013
    • Replies: 1
    • Views: 484
    09-25-2013 Go to last post
  4. [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: 943
    09-24-2013 Go to last post
  5. 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: 1,311
    09-24-2013 Go to last post
  6. 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: 414
    09-24-2013 Go to last post
  7. 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: 433
    09-24-2013 Go to last post
  8. [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: 7,744
    09-22-2013 Go to last post
  9. 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: 3,409
    09-22-2013 Go to last post
  10. 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: 1,668
    09-21-2013 Go to last post
  11. 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: 4,444
    09-19-2013 Go to last post
  12. 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: 521
    09-16-2013 Go to last post
  13. [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: 613
    09-15-2013 Go to last post
  14. 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: 1,475
    09-15-2013 Go to last post
  15. 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: 610
    09-14-2013 Go to last post
  16. 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: 910
    09-14-2013 Go to last post
  17. 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: 385
    09-13-2013 Go to last post
  18. 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: 461
    09-13-2013 Go to last post
  19. [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: 498
    09-13-2013 Go to last post
  20. 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: 449
    09-13-2013 Go to last post

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