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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. Question [SOLVED] Any way to know beforehand if SUDO is (going to be) needed?

    I'm using virtual file-system in /proc/ to print out current working directory (CWD): ls /proc/$PID/cwd # part of an argument to printf (full printf...

    Started by courteous, 12-12-2010
    • Replies: 4
    • Views: 1,141
    12-12-2010 Go to last post
  2. Angry [SOLVED] cut from ls -l

    Inside /proc/ folder, this ls -l | cut -d' ' -f35 | grep ^1$ #35th field is folder names finds folder "1" (init). Is there a better way to find...

    Started by courteous, 12-12-2010
    • Replies: 3
    • Views: 5,354
    12-12-2010 Go to last post
  3. Question C and Cpp Compiler Issues

    First I actually thought there was something wrong with my programming skills. But after I compiled the same code using Visual Studio, it worked. So...

    Started by Bangonkali, 12-11-2010
    • Replies: 5
    • Views: 1,849
    12-12-2010 Go to last post
  4. How tp stop reading process without be hanged at the code in Python?

    Hi all I have a Python program looks like this one : import os import time process = os.popen("top").readlines() time.sleep(1)

    Started by Barakat, 12-11-2010
    • Replies: 2
    • Views: 1,293
    12-12-2010 Go to last post
  5. Bash script - text manipulation

    Hi, I use grep every day, but today I need to do something I am not sure how to do. I have grepped a log file to obtain every line that contains...

    Started by chuckee, 12-09-2010
    • Replies: 8
    • Views: 1,829
    12-12-2010 Go to last post
  6. Bash script help

    Hi, who could correct me if im wrong at understanding these lines. 1. rem_value=$((dec_value % 16)) - divides number by 16 and finds its mod. 2....

    Started by TryingMyBest, 12-08-2010
    • Replies: 3
    • Views: 615
    12-12-2010 Go to last post
  7. [SOLVED] Confused about escaping in backticks

    I have a line in a shell script that looks like this:running=`ps -p $pid -o args= | sed -n "s?^$php_fpm_BIN\(\ .*\)*\$?&?p"`But this gives an error...

    Started by djeyewater, 10-18-2010
    • Replies: 3
    • Views: 2,738
    12-11-2010 Go to last post
  8. Gawk

    Hallo, does anybody know how to count up hexadecimal in gawk. best regards, maxi

    Started by al_capone88, 10-25-2010
    • Replies: 1
    • Views: 626
    12-11-2010 Go to last post
  9. mkdir in script not working

    I have created a script that finds a directory and subdirectories in my home directory and creates a copy of the directory structure in my home...

    Started by jmvalks, 10-27-2010
    • Replies: 1
    • Views: 1,909
    12-11-2010 Go to last post
  10. bash string splitting into array

    I am using gnu bash 3.2 I need to split the string into array like a=this_is_whole_world.file # split I need to split this on _ and . some...

    Started by praveenhm, 10-14-2010
    • Replies: 2
    • Views: 3,221
    12-11-2010 Go to last post
  11. Question Display Images Whilst Running Other Functions

    Hi, So I'm teaching myself some scripting to try and create a fairly simple photobooth type affair... I've got gphoto2 playing fairly nicely with...

    Started by raguff, 11-04-2010
    • Replies: 1
    • Views: 1,004
    12-11-2010 Go to last post
  12. editing script to create a default web page

    Hello everyone The title of this post may sound like it's real easy and simple enough for a noob to do but my situation isn't noobish. I have...

    Started by braden87, 11-14-2010
    • Replies: 1
    • Views: 819
    12-11-2010 Go to last post
  13. Post using two variables i and j together in 'for' - bash

    I've been learning bash scripting, and trying some basic stuffs. Just came across a situ where I have to execute a command, where attributes should...

    Started by fydcode, 12-06-2010
    • Replies: 1
    • Views: 1,815
    12-11-2010 Go to last post
  14. How to read a line from a txt file in a script?

    I have been playing around with a script for a few hours and now I need to be able to output the lines in a text file one by one to be used later in...

    Started by Ravenholdt, 12-09-2010
    • Replies: 3
    • Views: 915
    12-11-2010 Go to last post
  15. Question Novice using GREP

    Hello fellow Linuxers! This is the relevant snippet from my traceroute-like-script: ping -c 1 -t $i $domain | egrep -wv 'PING|64 bytes' | grep -o...

    Started by courteous, 12-05-2010
    • Replies: 5
    • Views: 1,665
    12-10-2010 Go to last post
  16. [SOLVED] delete trailing slashes using bash on-board means

    I prefer to delete trailing slahes from pathes. Until now I used sed: $ myPath=/home/ladygaga/// $ echo "$myPath" | sed 's/\/*$//'...

    Started by Lahntaler, 12-08-2010
    • Replies: 2
    • Views: 8,565
    12-10-2010 Go to last post
  17. how to grep a pattern which is split in 2 lines.

    Hi, I need to grep a pattern which can be present in one line or could be split in 2 lines... Example getData(xxx, yyy); getData(xxx, ...

    Started by linuxguy2011, 12-09-2010
    • Replies: 5
    • Views: 3,613
    12-10-2010 Go to last post
  18. Question Tcl: Extract variables from checkbuttons into Tcl List

    I am attempting to create a GUI which displays a list of checkboxes which describe a list of tests that may be selected to run on a device. Since I...

    Started by WhatFurrer, 12-10-2010
    • Replies: 0
    • Views: 820
    12-10-2010 Go to last post
  19. Serial Port help

    I've searched all over, but can't seem to find this one. I have a program (C++) where I'm reading and writing to the serial port. Everything...

    Started by brianc1969, 12-09-2010
    • Replies: 6
    • Views: 2,380
    12-10-2010 Go to last post
  20. [SOLVED] Serial programming and GPS mouse receiver

    Hi! I'm currently working on a small software to access GPS information from a GPS receiver. I read a couple of tutorial to code this program :...

    Started by naaman, 12-09-2010
    • Replies: 3
    • Views: 4,348
    12-10-2010 Go to last post

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