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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. Serial port read/write with bash

    I searched the Internet for any code snippet that could capture data from the serial port. All tests were preceded by stty -F /dev/ttyS0 raw ispeed...

    Started by clickit, 04-02-2010
    2 Pages
    1 2
    • Replies: 10
    • Views: 53,617
    04-06-2010 Go to last post
  2. I get EAGAIN Error

    I use serial port. I get serial EAGAIN error. I open serial port with below settings. do I have any error with settings. Thanks. static...

    Started by validator, 04-05-2010
    • Replies: 3
    • Views: 4,119
    04-06-2010 Go to last post
  3. SED Regular Expression

    I want to use SED to do the following: In a text file replace any occurrences of the three character string ZZZ with a quotation mark " and......

    Started by Innoko, 03-30-2010
    2 Pages
    1 2
    • Replies: 10
    • Views: 7,123
    04-06-2010 Go to last post
  4. Multiple variable substitution in one line

    Hi, I want to get content of a$i variables with one command: a1=/tmp1.log a2=/tmp2.log for i in 1 2;do log=<some code> echo $log

    Started by gdan2000, 04-06-2010
    • Replies: 0
    • Views: 791
    04-06-2010 Go to last post
  5. need Help on video drivers

    Hello all, Currently i am working on a video driver. To enhance the hardware acceleration i need to override the generic device driver...

    Started by augus, 04-06-2010
    • Replies: 0
    • Views: 917
    04-06-2010 Go to last post
  6. Post could not read symbols: Archive has no index

    Hi, I am trying to port c & c++ open source code onto embedded target(MIPS).It compiles fine on x86/RH4. When I try embedded platform specific...

    Started by durgeshsanagaram, 04-02-2010
    • Replies: 4
    • Views: 10,719
    04-06-2010 Go to last post
  7. Find won't -exec cd {} \;

    Why won't find cd to a dir I find with find? Is it because cd is a builtin command? How does one get around this as 'cd'ing to a obscure dir...

    Started by mehorter, 04-04-2010
    • Replies: 7
    • Views: 4,680
    04-05-2010 Go to last post
  8. gawk - using variable in search pattern

    Nice - forum, first time user but hope to be more regular now. So, yes, this is a homework question, but no - I'm not trying to get anyone to do...

    Started by washad, 04-04-2010
    • Replies: 3
    • Views: 1,743
    04-05-2010 Go to last post
  9. [C++] how to execute some action after "x" seconds of keyboard inactivity?

    Hi. Im trying to execute some actions when there's no keyboard action in "x" seconds or minutes (after "x" seconds or minutes of keyboard...

    Started by fbs777, 04-03-2010
    • Replies: 4
    • Views: 2,154
    04-04-2010 Go to last post
  10. Make program get input without the terminal

    Hi, I've done a little program, it's the snake game. I use an X window to show the snake and all that but the input is taken from the terminal. ...

    Started by eVoid, 04-01-2010
    2 Pages
    1 2
    • Replies: 17
    • Views: 2,804
    04-02-2010 Go to last post
  11. Need to save textfile'$+1'.txt

    Please help need a script to achieve saving multiple text files as 0001 0002 0003 etc. or moving files to a folder displayed this way.. there...

    Started by jmituzas, 04-01-2010
    • Replies: 1
    • Views: 773
    04-01-2010 Go to last post
  12. [Perl] Interpreter for Fib numbers

    Hey guys, As some of you know that I am new to this forum. I have another problem that I got stuck on. I have this file called "Fib.rbb" and my...

    Started by smsh, 04-01-2010
    • Replies: 3
    • Views: 960
    04-01-2010 Go to last post
  13. No input ends bash script

    How would I kill my bash script if the user doesn't add anything on their prompt but just hits enter? Would I use if or case? I'm not quite sure...

    Started by mexidus, 04-01-2010
    • Replies: 0
    • Views: 1,107
    04-01-2010 Go to last post
  14. Question [SOLVED] how to clear kernel counters

    HI.. I want to clear kernel counters. i dont know how to do that,as i am new to linux.Is there any standard function in linux for clearing...

    Started by vidya, 03-31-2010
    • Replies: 5
    • Views: 1,244
    04-01-2010 Go to last post
  15. Question [SOLVED] Character device driver and mknod

    Hello, I've a problem with character device mounting. I've a character device module code. Here is the code /* chardev.c: Creates a...

    Started by Dufresne, 03-31-2010
    • Replies: 1
    • Views: 5,522
    04-01-2010 Go to last post
  16. Exclamation [Perl] Printing and counting vowels

    Hello guys, I am new to this forum and I recently started to learn PERL. I've been reading some tutorials along with class that I am taking at...

    Started by smsh, 03-29-2010
    2 Pages
    1 2
    • Replies: 11
    • Views: 9,342
    03-31-2010 Go to last post
  17. How to add a static library to my own static library

    To create a static library, or to add additional object files to an existing static library, I can use a command like this: ar rcs my_library.a...

    Started by gmsa, 03-31-2010
    • Replies: 2
    • Views: 1,816
    03-31-2010 Go to last post
  18. search with grep using 3 criteria

    Hi guys, I have a question about using grep to search a document. Now the grep command I am trying to use is: # fsmedinfo 000023 -l | grep -e...

    Started by future_chris, 03-31-2010
    • Replies: 2
    • Views: 1,728
    03-31-2010 Go to last post
  19. Segmentation Fault puzzle

    this runs:- using namespace std; #include <iostream> int main(){ int a=600123456; char buf; return 0;} this does not run; it aborts with a...

    Started by kevv, 03-23-2010
    • Replies: 8
    • Views: 1,141
    03-30-2010 Go to last post
  20. Explanation of Bash scriptlette please

    Can anyone offer an explanation of how this: i=`tempfile -m 0600` exec 3<>"$i" rm -- "$i" echo "Hello, world" >&3 ...

    Started by kevv, 03-23-2010
    • Replies: 2
    • Views: 930
    03-30-2010 Go to last post

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