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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. Exclamation Weird cat output in cronjobs

    Hi everyone! Google and forum search could not help me much. My problem is that cat output differs when the command is run as a cron job. I...

    Started by mehmetb, 06-12-2012
    • Replies: 4
    • Views: 766
    06-21-2012 Go to last post
  2. Unhappy The Crypto API in the linux kernel

    I am trying to extract data (that is about to be written) from a Bio (Block I/O) structure in linux. I want to get the MD5 hash of the raw data. My...

    Started by Gregory-Turtle, 06-21-2012
    • Replies: 0
    • Views: 1,977
    06-21-2012 Go to last post
  3. Help with a script

    I have written a script which runs a simple program in the background, logs the output and emails me when the job is done. It works fine except for...

    Started by oddiseas, 06-20-2012
    • Replies: 2
    • Views: 871
    06-21-2012 Go to last post
  4. [SOLVED] php mysql help please login script

    Completely new to this, hopefully I at least understand what I'm doing if not the coding. Any help is appreciated. I am trying to build a login...

    Started by mellofellow, 06-20-2012
    • Replies: 7
    • Views: 1,027
    06-21-2012 Go to last post
  5. Exclamation loop problem

    hi im made a loop but idk where the error is can someone please help me? OPTARG1=$OPTARG OPTARG2=$OPTARG if ]; then find \ -type f -name...

    Started by Aname, 06-19-2012
    • Replies: 1
    • Views: 523
    06-21-2012 Go to last post
  6. Question interface rs232

    Hi, I need to interface a device (send a string and receive and validate replies) with follwing rs232 properties. 8 data bits, 1 start bit, 1...

    Started by reggler, 05-22-2012
    • Replies: 1
    • Views: 674
    06-19-2012 Go to last post
  7. Unhappy Newbi:: Creating a Service (daemon) in linux..

    Hey everyone, I am new to linux world. My goal is to build a simple service, which recieves two numbers through a shell script and returns the...

    Started by alsubject, 06-13-2012
    • Replies: 3
    • Views: 838
    06-19-2012 Go to last post
  8. Intermittent "cannot stat" errors with nested loops

    I have a bash script that has been running (on SUSE 9.3) dozens of times over the past couple of years without error. Recently it has been hitting...

    Started by jcart, 06-15-2012
    • Replies: 1
    • Views: 682
    06-19-2012 Go to last post
  9. bash stdin problem

    Today I ran into a strange stdin problem with bash (3.1.17). I have a script that optionally allows input from stdin like: echo "text stream" |...

    Started by greno, 07-17-2007
    • Replies: 5
    • Views: 10,301
    06-19-2012 Go to last post
  10. GTK customize UI

    Hi all!! I am developing an application using GTK. I need to know how to change the font size. But it is more important if you could tell me some...

    Started by jesusitoLinux, 06-19-2012
    • Replies: 0
    • Views: 402
    06-19-2012 Go to last post
  11. Post Problem with BASH script.

    Hi, I'm new to BASH scripting, having written a basic bash script I now want to consolidate it using a loop but I cant quite figure out how to do it....

    Started by andyknight, 06-18-2012
    • Replies: 3
    • Views: 758
    06-19-2012 Go to last post
  12. camera settings application

    hi all, Any one know how to write application for camera settings?like birghtness,etc features... please give me the solution :(

    Started by tintu1212, 06-14-2012
    • Replies: 2
    • Views: 671
    06-19-2012 Go to last post
  13. Problem with mmap on files >2GB

    I've been trying to get mmap to work on a 3GB file (Linux Ubuntu 12.04), but it keeps returning MAP_FAILED. If I ignore it, I eventually get a...

    Started by Eric!, 06-17-2012
    • Replies: 1
    • Views: 1,133
    06-19-2012 Go to last post
  14. C Sleep() Underlying Implementation

    Hello Community, I am sorry to come to you with such a specific and obscure question. But I am afraid I just don't know where I might find the...

    Started by Misiu10, 06-18-2012
    • Replies: 1
    • Views: 1,056
    06-19-2012 Go to last post
  15. Bash script parameter substitution

    I have a simple bash script to automate database creation for a new development branch. It is run using ./branch-db from to mysqldump -u root...

    Started by elija, 06-15-2012
    • Replies: 7
    • Views: 1,532
    06-16-2012 Go to last post
  16. Sed to replace entire line

    I want to replace a line using sed. The problem is that the original line will not have always the same value but will start with a specific word....

    Started by link7722, 06-15-2012
    • Replies: 2
    • Views: 1,490
    06-16-2012 Go to last post
  17. backup on amazon

    Hi all, Can anyone help me on this: I created directory (/backups) it has a subdirectories for each of the users. This is for them to put all...

    Started by ganitolngyundre, 06-13-2012
    • Replies: 3
    • Views: 601
    06-15-2012 Go to last post
  18. Copying files with spaces.

    Need: A one line or script that does the following. Find all *.txt files in directory and subdirectories and create links to them in a /temp folder....

    Started by LRC, 06-09-2012
    • Replies: 7
    • Views: 1,009
    06-14-2012 Go to last post
  19. Lack Experience, help verifiy bash script

    Hello, I have a bash script which I'm trying to use to supervise free hard disk space, I downloaded it, it's called check_diskfree.sh. I'm running it...

    Started by PNFJames, 06-08-2012
    • Replies: 8
    • Views: 3,419
    06-13-2012 Go to last post
  20. Smile Can a file notify(signal or invock) a program ,if yes how?

    Hello Helpfull Members, When ever C program exectues it produces error or executes sucessfully. If it produces error i am redirecting the error to...

    Started by linuxstartup2012, 05-07-2012
    • Replies: 2
    • Views: 759
    06-13-2012 Go to last post

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