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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. Post Login to multiple host without using Expect

    Hello , I have a problem which involves a set of command should be executed on remote host and output should be stored in a file. But due to...

    Started by pratapsingh, 02-07-2012
    • Replies: 2
    • Views: 604
    02-07-2012 Go to last post
  2. Help, please. Bash commands work in terminal, but not in script.

    I am trying to write the names of some directories to a text file. The directory structure is like this: |_FINISHED |_2-1-12-605pm ...

    Started by North, 02-07-2012
    • Replies: 4
    • Views: 741
    02-07-2012 Go to last post
  3. Maintain # of Digits in Bash Script

    Hi All, I'm trying to maintain number of digits for a looped bash script I'm writing. Basically I have folders that are 4 digits long from 1 -...

    Started by jmadero, 02-02-2012
    • Replies: 9
    • Views: 1,184
    02-06-2012 Go to last post
  4. filter the output of a text file using the contents of other text file

    Hi folks, I'm trying to reduce a huge text file using contents of a much smaller text file. Here's what I've tried: cat PIGGY_ALL_REELS.edl |...

    Started by patski, 02-03-2012
    • Replies: 4
    • Views: 630
    02-05-2012 Go to last post
  5. exit from pause()

    Hi friends! I have a doubt with this code. I have to implement two processes, the child and parent. First the parent will block on pause(), waiting...

    Started by jesusitoLinux, 02-03-2012
    • Replies: 2
    • Views: 704
    02-05-2012 Go to last post
  6. Shell remote file execution issue

    Hi, I am having a script that needs to be executed on set of servers from a host server. It has parameters to get input from the remote machine...

    Started by ggigk, 01-31-2012
    • Replies: 6
    • Views: 923
    02-03-2012 Go to last post
  7. C++ Newton Method

    Hello, I'm trying to solve f(x)=2-(x-1)(4-x)exp(-x)=1.8 where x is between 2.4 and 2.5. So I started by defining g(x)=0.2-(x-1)(4-x)exp(-x) and...

    Started by Catch_22, 02-01-2012
    • Replies: 2
    • Views: 1,313
    02-03-2012 Go to last post
  8. BASH - Add lines to file after text is found

    Basically, I just need to search a text file for a line, then add a couple lines, with user input, to the file. (Radius server user file) I've tried...

    Started by zerowizard, 01-31-2012
    • Replies: 6
    • Views: 4,951
    02-01-2012 Go to last post
  9. sed every nth line replace

    Hi to all, I've searched the forums and the web and come up with only close-but-no-cigar answers. I am trying to replace every kth line in my...

    Started by mellofellow, 02-01-2012
    • Replies: 2
    • Views: 1,896
    02-01-2012 Go to last post
  10. Question Terminal to gui messages

    Hey, I'm doing a little bit of programming with bash, and I came across a problem. I am trying to find a bash command that can send messages to the...

    Started by Vampire5, 01-25-2012
    • Replies: 6
    • Views: 1,556
    02-01-2012 Go to last post
  11. Script to perform Rsync and wipe

    Hello, Let me start by saying that I have very little experience with scripting. I am wondering if anybody here know of or could assist in the...

    Started by zippy4251, 01-27-2012
    • Replies: 7
    • Views: 1,978
    02-01-2012 Go to last post
  12. C langage variable problem

    i'm a newbie ,i don't know where problems The results

    Started by ibelieveme, 01-31-2012
    • Replies: 2
    • Views: 521
    01-31-2012 Go to last post
  13. Can't find Parameters of struct _modbus or modbus_t

    I have downloaded libmodbus3.0.1 from, in the headerfile modbus.h there is a line typedef struct _modbus modbus_t; but i cannot find...

    Started by karthikkm1987, 08-23-2011
    • Replies: 2
    • Views: 1,025
    01-30-2012 Go to last post
  14. sed:trying to replace everything before the pattern with an emp string

    So I'm trying to replace everything before the pattern and everything afterward. and print it out using sed for instance, i have a text file or...

    Started by fabreeze, 01-28-2012
    • Replies: 3
    • Views: 2,537
    01-29-2012 Go to last post
  15. Pipe text file contents into "find" command then xargs into cpio

    Hi folks, I've used "awk" to extract a list of filenames into a text file, which looks like this: A008_C004_07141K.R3D A009_C001_04233L.R3D...

    Started by patski, 01-29-2012
    • Replies: 2
    • Views: 1,239
    01-29-2012 Go to last post
  16. expect problem with set

    #!/usr/bin/expect -f set EXCLUDE "--exclude 'home/dave/fun'" spawn tar -czf /home/backup/dave.tgz -C / home/dave/ $EXCLUDE I will get this error...

    Started by delevel, 01-28-2012
    • Replies: 1
    • Views: 696
    01-29-2012 Go to last post
  17. find out if NO keys are being pressed

    Using system() or terminal I can set the input mode to raw instead of cooked with "stty raw -echo" which lets me know if a key was pressed using...

    Started by NotBash, 01-25-2012
    • Replies: 4
    • Views: 1,149
    01-29-2012 Go to last post
  18. trace of instructions of a C program

    HI Friends! I would like to know if there is a tool to know the trace of instructions of a program once it has finished. I know I can debug with...

    Started by jesusitoLinux, 01-18-2012
    • Replies: 5
    • Views: 966
    01-28-2012 Go to last post
  19. Question Looking for the proper automation solution.

    I have a problem. I'm looking for the best (not the easiest) solution. I'm sure this problem was worked out in the 80's, I just don't know how to...

    Started by todd_dsm, 01-26-2012
    • Replies: 5
    • Views: 811
    01-28-2012 Go to last post
  20. how to write on a device file using copy_from_user()

    Hi , I am new to linux and was making a module in which user can read as well as write to a device file.the following is my code where read is...

    Started by karan2386, 01-27-2012
    • Replies: 1
    • Views: 780
    01-28-2012 Go to last post

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