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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. segmentation fault in handling SIGUSR

    Hi everybody! I have a thread that at some point receives SIGUSR1. When it receives it, it just prints out "Ricevuto segnale 10, SIGUSR1, adesso...

    Started by fkpac, 07-20-2010
    • Replies: 1
    • Views: 2,456
    07-21-2010 Go to last post
  2. Named pipes into program

    I'm on an embedded platform, trying to use microcom to talk to a modem device from a script. I made a named pipe with mkfifo and I'm trying to do...

    Started by shawnjgoff, 07-14-2010
    • Replies: 4
    • Views: 1,860
    07-20-2010 Go to last post
  3. esc/p to ps

    Hi all i have a big problem i use succesfuly DOSEMU 1.4 for old accounting program on i386 centos 5 program work well, printing is ok if i...

    Started by eleservice, 07-20-2010
    • Replies: 0
    • Views: 1,836
    07-20-2010 Go to last post
  4. Bash script, will this cause a stack overflow?

    I found this script on the ubuntu forum, it does work but it seems to me that if the internet connection is good it makes recursive calls to the...

    Started by spg666, 07-20-2010
    • Replies: 4
    • Views: 1,482
    07-20-2010 Go to last post
  5. Question [SOLVED] Writing webserver - how to correctly send headers?

    I'm writing a small webserver example and faced with some strange thing - headers in my server's output are not always interpreted as 'headers'...

    Started by Schmidt, 07-19-2010
    • Replies: 2
    • Views: 666
    07-20-2010 Go to last post
  6. Basic Perl Redirect question

    I've got something pretty simple I need to do with a perl script but can't quite figure it out. I need to print something like the following: ...

    Started by cheesecake42, 07-19-2010
    • Replies: 1
    • Views: 385
    07-19-2010 Go to last post
  7. Substring Extraction

    Hi, I'm trying to use ${VAR:0:4} substring extraction described here: tldp.org/LDP/abs/html/string-manipulation.html and it works perfectly...

    Started by romanart, 07-16-2010
    • Replies: 5
    • Views: 1,927
    07-19-2010 Go to last post
  8. Detecting malloc'd mem

    Hi guys, I was wondering if there is a way to work out if an address is malloc'd and/or how big or what range the memory 'section' is. Like,...

    Started by lemons, 07-13-2010
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,703
    khf
    07-19-2010 Go to last post
  9. [SOLVED] Socket and Segmentation Fault.

    Hello everyone. I am programming an application with an ARM device with an embedded version of Linux. My application talks to a java application...

    Started by striker07, 07-16-2010
    • Replies: 2
    • Views: 3,399
    07-18-2010 Go to last post
  10. [SOLVED] Problem with Openbox pipe menus

    Hi folks, I've written a small script to generate a menu structure which list my pdf files from a specific directory. The script itself works fine,...

    Started by Nathanael, 07-17-2010
    • Replies: 0
    • Views: 975
    07-17-2010 Go to last post
  11. Issue in Listing Files in a TAR

    Hello Friends, I have started getting into unix recently and seek your help in sorting out one of my porblems related to TAR files. I have a...

    Started by balamuruganmurthy, 07-15-2010
    • Replies: 5
    • Views: 1,809
    07-17-2010 Go to last post
  12. Arrow [SOLVED] open() syscall breaks execve()'s work

    here is my working code : #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <sys/types.h> #include...

    Started by Schmidt, 07-16-2010
    • Replies: 3
    • Views: 2,334
    07-17-2010 Go to last post
  13. [SOLVED] Two programs and a file: a logical conundrum

    I am working on a program called writemusic that creates a file of structures representing musical glyphs (notes, rests, barlines, etc). Another...

    Started by hazel, 07-16-2010
    • Replies: 6
    • Views: 475
    07-17-2010 Go to last post
  14. help with using awk or grep

    Hi, Thanks for reading this, and maybe helping. I want to solve the following problem. I have the file: xxx aaa xxx xxx

    Started by adriana, 07-15-2010
    • Replies: 7
    • Views: 747
    07-17-2010 Go to last post
  15. volatile sig_atomic_t

    Hi :) I need to have a global variable volatile sig_atomic_t int Terminazione=0; but I get the error error: two or more data types in...

    Started by fkpac, 07-16-2010
    • Replies: 2
    • Views: 3,325
    07-17-2010 Go to last post
  16. cmd works in bash, not crontab??

    I want to write the date & time and a text string to a file from crontab. The following line works fine in the CL: echo $(/bin/date +"%F %T")"...

    Started by three_jeeps, 07-16-2010
    • Replies: 5
    • Views: 2,894
    07-16-2010 Go to last post
  17. Issues with MD5

    alright, this is the script im working with to install a base linux system this is only one part of the entire script, but this is where my...

    Started by LinuxMan32, 07-16-2010
    • Replies: 0
    • Views: 423
    07-16-2010 Go to last post
  18. Different value passed into method

    Hi guys, I have a baffling problem!! Or at least it seems that way. Basically I've been making a pangolins program which uses a set of nodes in a...

    Started by lemons, 07-16-2010
    • Replies: 2
    • Views: 396
    07-16-2010 Go to last post
  19. Utilities for handling interactions

    Hello all, Greetings~~~ My little knowledge says tat there are tools / utilities available like expect and dialog for handling interactions...

    Started by lampscholar, 07-15-2010
    • Replies: 1
    • Views: 411
    07-16-2010 Go to last post
  20. Pointer as function return doubt

    Hi there Linuxers, I'm getting some information about C language and this session of a C book (follow the above link) is using a bad example for...

    Started by victordfb, 07-15-2010
    • Replies: 6
    • Views: 555
    07-15-2010 Go to last post

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