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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. tail -f until another program exists?

    Hi, from a bash script, i invoke a program ./foobar that creates a logfile.txt . Now I want to view the contents of logfile.txt while ./foobar is...

    Started by lawilog, 10-18-2011
    • Replies: 5
    • Views: 829
    10-24-2011 Go to last post
  2. Simple Service Check Script

    I am trying to run a simple script to let me know if rtorrent is running under a user. #!/bin/sh SERVICE='rtorrent' USER='0001' if pgrep...

    Started by zemon, 10-23-2011
    • Replies: 7
    • Views: 1,360
    10-24-2011 Go to last post
  3. change of variable type

    I want ask about C. If i declare a variable as double, during the code can i change this type to other? I do not mean the casting but i change the...

    Started by panou, 10-23-2011
    • Replies: 1
    • Views: 554
    10-23-2011 Go to last post
  4. undefined reference problem for a function

    Hi All, im compiling using g++,the compiler is reporting error as undefined reference to `svm_destroy_model' here is my sample code ...

    Started by shamjs, 10-21-2011
    • Replies: 1
    • Views: 1,461
    10-22-2011 Go to last post
  5. Cool Why ``double quote"" & `single quote'

    This has been my very old curiosity since beginning with Linux. Why so man documentation using "`" as the starting quote instead of just use...

    Started by legendbb, 10-13-2011
    • Replies: 6
    • Views: 1,467
    10-22-2011 Go to last post
  6. Anacron question

    Hi everyone, I need to run a command at startup (or thereabouts), but only once every X days. I could probably write a shell script to keep track...

    Started by grabled, 10-20-2011
    • Replies: 3
    • Views: 967
    10-21-2011 Go to last post
  7. cronjob output, what does "\r/r" mean?

    hi all, I'm very confused as to why I am getting this error message when I run a cronjob for a backup script I'm working on: mkdir: cannot create...

    Started by erinod, 10-19-2011
    • Replies: 2
    • Views: 1,555
    10-20-2011 Go to last post
  8. Creating a script to notify me of an IP address change

    I have my own server, but from time to time my IP address changes and when I am away from my Linux box I can't log into it, because of the address...

    Started by NuttySquirrel, 11-22-2005
    2 Pages
    1 2
    • Replies: 17
    • Views: 32,879
    10-19-2011 Go to last post
  9. Newbie has a grep problem

    Hey forum, I have a question which is driving me crazy, I have a Apache web log file and I am trying to extract a string of text out of it ....

    Started by kalymist, 10-18-2011
    • Replies: 2
    • Views: 1,234
    10-19-2011 Go to last post
  10. c++ rpg save help

    Hi! For those of you who helped me on my earlier problems, don't worry. I figured out my program problems and now they work flawlessly. While I am...

    Started by Aramil, 10-19-2011
    • Replies: 0
    • Views: 418
    10-19-2011 Go to last post
  11. Cool how do I write a script for controlling the mouse?

    I may be going a little scripting crazy :?(I made that word term up just now) but I want to write a shell script (or something in a scripting...

    Started by rm-rf, 10-09-2011
    • Replies: 1
    • Views: 1,625
    10-17-2011 Go to last post
  12. g++ problem during compile

    When i try to compile a simple c++ program with the use of the iostream and string header files i get the following error: (I had to cut the errors...

    Started by Scheck32, 10-19-2006
    2 Pages
    1 2
    • Replies: 13
    • Views: 13,254
    10-16-2011 Go to last post
  13. Cool C program tty communication USB-CDC linux

    I am trying to put some c code together to "talk" to a USB-CDC tty device. When the device is connect to my pc it appears as /dev/ttyACM0. I then...

    Started by ear9mrn, 10-10-2011
    • Replies: 2
    • Views: 3,960
    10-15-2011 Go to last post
  14. assign path to a variable in C program

    Hello, I'm programing a C gnu/linux program and I need to execute this command: " find /home/javi/ -name "dmtcp_restart" | grep...

    Started by javi, 10-14-2011
    • Replies: 1
    • Views: 642
    10-14-2011 Go to last post
  15. script problem

    Hi, I have a script below and within this script the following two lines - first line below need to stay the same, and the second line below needs...

    Started by venhart, 10-13-2011
    • Replies: 2
    • Views: 600
    10-13-2011 Go to last post
  16. Help a NOOB with IF/while conditioning

    Scripts Purpose: Display all processes running for specific users, if NO username is entered then all processes will be displayed So far i have ...

    Started by Kwiz, 10-10-2011
    • Replies: 4
    • Views: 694
    10-13-2011 Go to last post
  17. sed issue

    hi, i have a file and within the file i have some text. I need to remove the following characters from the file. See my example below : cat...

    Started by venhart, 10-12-2011
    • Replies: 4
    • Views: 617
    10-12-2011 Go to last post
  18. Exclamation bash loop wget using variable

    Hi, I'm trying to loop wget 100 times to download from a website. The format url of the server is ...

    Started by rootuid, 10-12-2011
    • Replies: 3
    • Views: 4,191
    10-12-2011 Go to last post
  19. Bash script - switch on filecontent

    I'm trying to make a script where the contents of a file are used as the trigger for what needs to be done I used to do it with running a php...

    Started by kjanss, 10-11-2011
    • Replies: 1
    • Views: 617
    10-12-2011 Go to last post
  20. Question Creating Makefiles in Linux for installing programs

    I have written a console program in C named main.c. I want to turn it into an application, so that using a Makefile and 'make' and 'make install'...

    Started by uniquerockrz, 10-12-2011
    • Replies: 1
    • Views: 658
    10-12-2011 Go to last post

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