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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. Are shared memory pointers valid through different processes?

    I have a process that creates, open and attach a shared memory region in main().Then, I fork() that process ant I find i CAN directly use the...

    Started by lunix, 10-09-2013
    • Replies: 1
    • Views: 901
    10-11-2013 Go to last post
  2. Incrementing parts of ten digits number by parts

    I have number in file which contains date and serial number: 2013101000. The last two digits are serial number (00). So maximum of serial number...

    Started by Manu1234567, 10-10-2013
    • Replies: 1
    • Views: 528
    10-11-2013 Go to last post
  3. How to get sector numbers of a file

    Hi, We are developing Android application (Android UI and C application through JNI) and File system is ext4. Is there any Android API or Linux...

    Started by joshua2009, 10-08-2013
    • Replies: 2
    • Views: 493
    10-10-2013 Go to last post
  4. Help with BASH script using EXPECT to TELNET

    Hello, I am not new to bash scripting but I'm new to advanced scripting. I am writing a rather large script (for me) and I'm taking it one step...

    Started by jwcalifo, 10-07-2013
    • Replies: 4
    • Views: 7,792
    10-09-2013 Go to last post
  5. Perl - Count the number of subwords occurrence

    hi all, I want to compare two sentences and find the highest co-occurrence of words. For instance the result for the: This phrase has five words....

    Started by corfuitl, 10-07-2013
    • Replies: 3
    • Views: 568
    10-08-2013 Go to last post
  6. Need Find & Convert Shell Script To Loop

    Hello Everyone, This is literally my first script so please go easy on me :) #!/bin/bash # # find ~/Projects/Scripts/ -iname "*.avi" | \ while...

    Started by alteredstate, 10-02-2013
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,509
    10-07-2013 Go to last post
  7. RTC alarm in bash - problem with audio volume control

    Hello, I've written an alarm in bash which uses rtcwake to wake the computer up if it is turned off and runs as a service from rc.d in order to be...

    Started by kyselejsyrecek, 09-27-2013
    • Replies: 5
    • Views: 1,005
    10-04-2013 Go to last post
  8. Sudo problem in automation script

    Hi, I am not sure if this is technically the best place for this problem but it is within a script so maybe it is. So I have 2 users. First is...

    Started by ninjonxb, 10-02-2013
    • Replies: 4
    • Views: 1,104
    10-03-2013 Go to last post
  9. Multiple Transformations using XSLTPROC

    Hello, I have several xml files which I would like to transform which are located in a single directory. I use same xslt to transform all files and...

    Started by NOEL ALEX MAKUMULI, 10-02-2013
    • Replies: 1
    • Views: 928
    10-03-2013 Go to last post
  10. Making a script to parse simple XML and send it to variables.

    Hello, I'm trying to pass a variable to sed that contains XML. From this XML I would like to extract the parts contained between <image_viewer>...

    Started by yakaman, 10-02-2013
    • Replies: 2
    • Views: 883
    10-03-2013 Go to last post
  11. BASH conditionals: Testing $?

    Hello: Here are some easy but not so useful examples of my questions. 1. What is the proper way to have a conditional using the $? result? Is...

    Started by bandeg, 06-25-2013
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,877
    10-02-2013 Go to last post
  12. bash, ls, and [] - basis for a script to list contents

    To simplify things, I am illustrating the problem, just using the command line. Here is a list of the contents of a folder (all filenames):...

    Started by mgdlinuxf, 09-25-2013
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,783
    09-29-2013 Go to last post
  13. 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: 620
    09-27-2013 Go to last post
  14. 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: 986
    09-27-2013 Go to last post
  15. 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: 466
    09-25-2013 Go to last post
  16. [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: 892
    09-24-2013 Go to last post
  17. 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: 1,174
    09-24-2013 Go to last post
  18. 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: 402
    09-24-2013 Go to last post
  19. 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: 418
    09-24-2013 Go to last post
  20. [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: 7,080
    09-22-2013 Go to last post

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