Software :: Environment Variable Names Containing Odd Characters?

Mar 27, 2010

I want to have an environment variable name (not value) containing ':', such as X:X=PQR. There seems to be no reason in principle why not. According to this:[URL].. the only printable character you can't have is '='. And indeed I can set and get such variables with a C program:

#include <stdio.h>
main()
{
setenv("X:X", "PQR", 1);
printf("%s
", getenv("X:X"));

[Code]..

and I can't find a quoting mechanism to make this work. Is there a unix guru out there who knows how to do this in bash, or any other linux shell?

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General :: Create An Environment Variable With The PRINTER Variable?

Apr 16, 2011

I am supposed to create an environment variable with the PRINTER variable, which should resolve to the word sales. Would the command be like this?: env PRINTER - NAME=SALES (is this the command to create that variable with resolving the word sales to it?)

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Feb 20, 2010

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I don't have this problem in other applications. I can create files with special character included. I think some settings do not agree with KDE4. How can I solve this problem? Does anyone have an idea? I also installed KDE systemsettings program but could not find a relevant config option for character encoding.

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Apr 16, 2011

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Dec 4, 2010

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Code:
<?php
class MyClass

[code]....

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Sep 2, 2010

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Feb 20, 2011

I am doing a mysql query with a bash shell script like:
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echo $line

So when I echo the value of $line I get:
word
magandang umaga
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Jul 13, 2011

I am bad with bash programming and I need some help how I can make variable names out of a string.I will need some help start doing that. And I think the first would be to get part of the filenames strings into variables.

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Apr 7, 2011

In my script, and I would like to concatenate 2 variables names, to give me the true variable.I've 3 variables X1, X2 and X3, and I invoked them inside a for loop.

Code:
#!/bin/bash
X1=HELLO

[code]....

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May 23, 2011

I'll try to be clear but I think I'm in a mess with my code right now, so it may appear here too

Here is a function. The part I want you to see is the 'eval' sentence.

This works.

It evaluates ${SourceTxt} (which is $1), takes away a part of it and uses it as an array to put data in.

That's alright.

Code:

Now, later, I NEED to count the number of elements in the array(s).

So, I try to do something like....

Which gives me the evaluated name ('#txtFields_email_customers[@]' e.g)

Or

Which gives me nothing....

I was wondering if I was reaching the limits of bash in this kind of capabilities, or if there is a.... bash-like solution. I.e. a good solution

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Apr 27, 2015

I'm trying to add 2 new environment variables (Debian . I have created a "/etc/profile.d/java.sh" file and in it I have added these lines (and just for the record, I've also tried adding those line to the profile file with the same results as explained below).

Code: Select allexport XAPPLRESDIR=/usr/local/MATLAB/MATLAB_Compiler_Runtime/v83/X11/app-defaults

export LD_LIBRARY_PATH=/usr/local/MATLAB/MATLAB_Compiler_Runtime/v83/runtime/glnxa64:/usr/local/MATLAB/MATLAB_Compiler_Runtime/v83/bin/glnxa64:/usr/local/MATLAB/MATLAB_Compiler_Runtime/v83/sys/os/glnxa64:/usr/local/MATLAB/MATLAB_Compiler_Runtime/v85/runtime/glnxa64:/usr/local/MATLAB/MATLAB_Compiler_Runtime/v85/bin/glnxa64:/usr/local/MATLAB/MATLAB_Compiler_Runtime/v85/sys/os/glnxa64

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Mar 8, 2011

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*** Set the environment variable PKG_CONFIG_PATH to point to the correct

[code]...

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Apr 22, 2011

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Jul 25, 2010

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Feb 4, 2010

I'm trying to set the environment variable. java_home and path.

I used the following instruction:
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and to check :
echo "java_home=$JAVA_HOME"
and every thing is ok.

But since i close the terminal every thing is deleted.

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Jun 19, 2010

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Oct 10, 2010

I just upgraded to 10.10, I use Tilda (terminal client) on my desktop but now when I type "clear" it says "TERM environment variable not set." instead of clearing the screen. Also commands like "tree" does not show folders and iles in color like they did before upgrading.

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Oct 20, 2010

I have just installed Ubuntu onto my machine and my question is if it automatically comes with the PATH environment variable?If so, how do I add something such as python.exe to the PATH environment variable?

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Ubuntu :: Set Environment Variable In A Launcher?

Dec 1, 2010

I am trying to create a launcher which runs virtual box from a custom config directory. For this I have to set an environment variable first then call VirtualBox command. From terminal it looks like:

Code:
helena@mint ~ $ export VBOX_USER_HOME=/mnt/shared/VirtualBox/
helena@mint ~ $ nohup VirtualBox > /dev/null 2> /dev/null &

If I have to create a shortcut for this, I am not sure how to define variable & call the command in a single command. There are some examples on:

[URL]

Code:
"DISPLAY=:0 xterm"

but when I try this, it wont work. My test.Desktop entry (I have started x on :1):

Code:
[Desktop Entry]
Encoding=UTF-8
Version=1.0

pCode]....

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Nov 23, 2009

i have to set environment variables , after the installation of intel(R)MKL for linux OS given in intel mkl user guide, which are INCLUDE, LD_LIBRARY_PATH, MANPATH,LIBRARY_PATH, CPATH, FPATH, NLSPATH using the script file which, in my case,is "mklvarsem64t.sh"How can i set these environment variables?Do i need to set all these variables?

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General :: Set The PATH Environment Variable?

Apr 25, 2011

set the PATH environment variable?

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Jul 17, 2011

In C, there's a global variable 'environ'. With the help of linux manual, I know it's defined in <unistd.h>. But the fowllowing program is also right without <unistd.h>:

Code:
#include <stdio.h>
extern char **environ;

[code]....

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Programming :: Makefile - No CXX Environment Variable

Jan 6, 2010

When I put a "test" target in my Makefile containing
Code:
@echo "CXX= $(CXX)"
it tells me "CXX= g++".
But I have nothing in the Makefile assigning any value to CXX, and as far as I can tell I have no CXX environment variable (no "CXX" appears when I run the shell command "env", and "echo $CXX" returns a blank line. So where's the g++ value coming from. Is this just built into Gnu Make, or is there a configuration file for make somewhere?

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Debian :: Setting PATH Environment Variable

May 19, 2015

I have been trying to change my PATH environment variable to no avail. I am using Jessie i386 with MATE. Using my .bashrc file works but not well because with subshells the modifications get repeated. I want the change to occur on login.

I tried modifying ~/.profile ~/.bash_profile /etc/profile and /etc/environment and one or two others but in no case did my change get picked up even after logging out and in again and even after rebooting. I searched the Internet and found each of the above places to make the change but they don't seem to work with Jessie.

Where do I make the necessary change?

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May 14, 2011

I am trying to save the PATH environment variable from the Terminal running on a Ubuntu system.I typed in the following however it does not get saved.

export PATH=/home/david/Komodo-Edit-6/bin/:$PATH

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Ubuntu :: Put An Environment Variable Back To Its Default?

Mar 2, 2010

I am happy to say that after almost a week of wandering around the INTERNET and posting desperate questions to our Ubuntu forums on how to set paths etc., I have finally begun to understand just how environment variables and path setting works. I must say, it wasn't all reading this or that, but rather making changes to my paths that helped me to understand. Anyway, if anyone who does not understand environment variables is reading this, then I recommend reading this

HTML Code:
http://java.sun.com/docs/books/tutorial/essential/environment/paths.html
and this
HTML Code:
http://www.belugalake.com/java/pathsetting.html

OK- I have 1 last question for my fellow linux users. Lets say I opened up $HOME /.profile and did some editing, and later decided to undo all of my changes but I forgot exactly what changes I made so now I want to set the default in there. How would I accomplish this? How do I set the defaults for any ~/.bashrc or ~/.cshrc type of files that I change.

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