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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. Assembly

    I know assembly's used for making compilers and such, but not much else. Can anybody explain to me what exactly assembly is, and maybe a really...

    Started by MisterDood, 05-29-2011
    • Replies: 4
    • Views: 462
    05-30-2011 Go to last post
  2. bash and whitespace, again!

    Hi all! I have a problem that drives me nuts. In essence; I have a file with a filename that contains a whitespace, say: foo bar.txt I have...

    Started by HMW, 05-27-2011
    • Replies: 1
    • Views: 430
    05-27-2011 Go to last post
  3. Major Minor numbers USB dev problem.

    Hi, all. I'm working on developing my first usb device driver. Linux (or hidev) seems to think that the device is a HID, when actually its a...

    Started by phil128, 05-27-2011
    • Replies: 1
    • Views: 1,272
    05-27-2011 Go to last post
  4. Screen listing of windows in a session

    So, I need a way to have screen (or dbus, whatever) to spit out a list of windows (title and number) that are active in a screen session. I'm...

    Started by ragechin, 05-22-2011
    • Replies: 6
    • Views: 844
    05-27-2011 Go to last post
  5. Calculate data and make it into new column using awk

    Hi everyone, just some simple question... i've been using a awk script to calculate my data... i have 3 files: file a1.txt: 2 3 4

    Started by yat, 05-24-2011
    • Replies: 1
    • Views: 738
    05-25-2011 Go to last post
  6. print output of iostat -xnmpztc 2

    iostat -xnmpztc 2 Output tty cpu tin tout us sy wt id 1 131 9 1 0 90 extended device statistics ...

    Started by mazeem, 05-24-2011
    • Replies: 1
    • Views: 1,020
    05-25-2011 Go to last post
  7. Virtual accounts - changing prompt

    Hi guys! I need to write a bash script that will allow me to manage my "virtual network" (in reality just a bunch of directories and files). I...

    Started by adashiu, 05-21-2011
    • Replies: 1
    • Views: 371
    05-25-2011 Go to last post
  8. Multiple clients communicating to one server

    Is it possible to have multiple client "c" programs communicating to the same server using the same socket. If so, how does the server know which...

    Started by dragondad, 09-10-2005
    • Replies: 8
    • Views: 10,025
    05-24-2011 Go to last post
  9. little signal question. SIGCHLD for wait(NULL)

    Hi, I have a doubt about signals in C programming. I have done this little program to explain it. It creates a child process with fork and, when the...

    Started by occam25, 05-23-2011
    • Replies: 4
    • Views: 3,078
    05-24-2011 Go to last post
  10. warning: data definition has no type or storage class

    Hi everyone I am doing a simple SSL server program using OpenSSL. I just initialize the OpenSSL library and i compile. Then the GCC return a...

    Started by omronz, 08-03-2009
    • Replies: 3
    • Views: 13,540
    05-23-2011 Go to last post
  11. (.text+0x7): undefined reference to

    hi i am a new programer in c i have write a simple app and i have a problem withe combiling my program include one header file and 2 c fun.h ...

    Started by hassuna003, 05-21-2011
    • Replies: 6
    • Views: 2,371
    05-23-2011 Go to last post
  12. How to get Hard Disk serial number on Solaris

    Hi, I want to get the Hard Disk serial number of SCSI HDD on Solaris. On linux this is done using following structs and API: struct hd_driveid...

    Started by tssaini7, 05-23-2011
    • Replies: 1
    • Views: 2,401
    05-23-2011 Go to last post
  13. looping doubt

    I am writing a script in bash. In this the user will input a month name in Jan, Feb format. All the 12 months are stored in an array. I want to...

    Started by divyashree, 05-21-2011
    • Replies: 4
    • Views: 687
    05-23-2011 Go to last post
  14. <= operator for floating point comparison

    Hello linuxforums, I know it is wrong to use the "==" operator to compare the equality of two floating point numbers. Logically it would seem...

    Started by Disinterred, 05-10-2011
    • Replies: 5
    • Views: 1,038
    05-22-2011 Go to last post
  15. Help: Openvpn AUTH_FAILED and remote authentication script issues

    Hello, Ive been trying to fix my openvpn remote authentication script. I managed to write a script for remote authentication using wordpress db...

    Started by xauen, 05-22-2011
    • Replies: 1
    • Views: 1,545
    05-22-2011 Go to last post
  16. Shell script to find usb device name

    Dear All, I have a usb to serial converter which i plug in to Ubuntu Natty. I see that on every reboot this seems to come up as a different...

    Started by ninja123, 05-19-2011
    • Replies: 1
    • Views: 1,792
    05-22-2011 Go to last post
  17. Bash Loop Script to join lines while a field is unchanged

    Trying to bash script the following with no luck at all. Please help. THANKS! Convert a file that has random usernames with a varing number of...

    Started by derekwnek, 05-19-2011
    • Replies: 2
    • Views: 1,156
    05-22-2011 Go to last post
  18. Question Custom SNMP Monitor Trouble

    Hello, I am attempting to write a SNMP mail queue monitor. Essentially I would like to register an agent with a custom OID which will execute a...

    Started by three18ti, 05-22-2011
    • Replies: 0
    • Views: 729
    05-22-2011 Go to last post
  19. What to use for Open source development?

    Hi All, I need a little help. I wish to start development for the open source projects. And going to start working on some project in C/C++ and...

    Started by Devang_88, 05-19-2011
    • Replies: 2
    • Views: 516
    05-21-2011 Go to last post
  20. proccess does not write to disk while it is on background

    hi, I am doing a program that reads data from a gps and some other devices and writes some files with all the information. When I run it normally...

    Started by occam25, 05-18-2011
    • Replies: 4
    • Views: 552
    05-20-2011 Go to last post

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