Environment variables are system-wide variables which share the same value. These variables are often parsed by the shell when executing commands, and are expanded into their appropriate variable. For example, this allows users to move file locations without needing to update hard-coded paths in ...

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5answers
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Why won't my Windows 8 Command line update its path

I needed to add a new entry to my PATH variable. This is a common activity for me in my job, but I've recently started using Windows 8. I assumed the process would be similar to Windows 7, Vista, ...
4
votes
2answers
4k views

Too many folders in the path variable

I've encountered a strange issue - I can't launch Visual Studio, nor run simple commands from command prompt, seemingly due to my PATH variable being too long. Now that I look at it, I see that many ...
4
votes
4answers
348 views

How to get an .exe file to execute no matter where the user types its name in command shell on windows 7?

I have Windows 7. I have a .exe file here: c:\tools\dailybackup.exe When I am in the CMD window, I want to be able to type "dailybackup" in any directory and have it execute. Do I still need to ...
2
votes
3answers
43 views

How to export an environment variable inside window manager?

I can export VAR="value" and use $VAR from within a terminal until I close it. Is there a way to get this behaviour, inside a window manager/graphical environment? exporting an environment ...
1
vote
1answer
142 views

php is not recognized as an internal or external command although it is available in commandline

this is somewhat of a tricky question when it comes to "where should I place it?", but I assume a general problem behind it, which is why I am putting it on superUser. I have a Doctrine script which ...
1
vote
1answer
53 views

$HOME is not defined for root user on Ubuntu 14.04

On a fresh Ubuntu 14.04 install, the bash environment for the root user does not have $HOME defined. I need to run some apps from a root shell, for example: gdb /usr/sbin/apache2 This is difficult ...
120
votes
5answers
267k views

How can I display the contents of an environment variable from the command prompt in Windows 7?

In Windows 7, when I start the Command prompt, is there any command to display the contents of an environment variable (such as the JAVA_HOME or PATH variables)? I have tried with echo $PATH, echo ...
1
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2answers
27 views

why 'export $Path=$Path:dir' won't work?

I am just wondering why do we need to use this command export Path=$Path:dir why does the command not look like export $Path=$Path:dir/dir'
0
votes
1answer
2k views

Forcing programs to be installed to another drive

I have an SSD as my main Windows drive, with a 640GB 2.5" HDD, partitioned to store programs and user settings, and also to act as backup (it's the only thing I had lying around at the time of ...
1
vote
1answer
40 views

Environment variables on Linux-like systems

How to set environment variables for a user in most generic way that is independent of shell environment variables (like profile for Bourne-like shells, bahsrc, zshrc, zshenv, ..)? The idea is to set ...
0
votes
1answer
522 views

Git is in the PATH, but is not being recognized as a command

I've recently reinstalled Git, and I just can't get it to run off the native Windows command prompt anymore. I'm sure it is in Path environment variable, as you can see: C:\Users\Ult>where git ...
0
votes
0answers
37 views

Is there a window manager that allows you to set environment variables

My problem here is that I often stays logged in for a considerable amount of time and the usual methods of setting environment variables doesn't work in a satisfactory way: If I set environment ...
1
vote
0answers
114 views

user path not merged with system path

On my Windows 7 machine, for some reason the user path is not merged with the system path variable when I start a new command prompt. I have seen other related questions answered by a reference to a ...
0
votes
1answer
110 views

cmd error “The system cannot find the path specified.”

I am getting this error when I am doing a cd into a directory I stored in environment variables. But the thing is, when I cd into the same directory using the same ev using vim, I can successfully cd ...
0
votes
0answers
77 views

Set IIS to run with environment variable

I'm trying to run IIS with the COMPLUS_ZapDisable environment variable set to 1. Per this link (which shows how to do it for regular exes), I hope this will allow me to load non-optimized versions of ...
0
votes
0answers
34 views

OSX seems to be ignoring any DYLD_* environment variables

I'm attempting to use a 3rd party SDK which is primarily written in C++. Their recommended approach for running the compiled output (an ODBC driver) on OSX includes setting an environment variable ...
0
votes
1answer
52 views

How to append to the user %PATH% from command line

I found plenty of questions like this one on StackExchange but no one work in my specific case. I would like to easily add literally %FOO% to the user environment variable PATH. I found the ...
0
votes
1answer
35 views

Is there any way to have Cygwin tools in PATH without them replacing Windows commands?

I would like to be able to use GDB, GCC and such straight out of a windows command prompt, so I put my Cygwin bin directory in my Windows path. Problem is that Cygwin programs now take priority over ...
4
votes
4answers
4k views

Missing environment variables in Windows 7

When I fresh boot my computer everything is dandy. Then after a few hours applications like Visual Studio, Notepad++, Games, iTunes, Windows components (Cmd prompt, Explorer, etc.), etc. stop working ...
0
votes
0answers
30 views

How to acchieve what http_proxy environment variable does for all traffic leaving the system?

I set up a trafficserver (5.1.2) instance as HTTP cache on a machine in my local network and now I'm looking for a way to enforce the usage of the proxy for HTTP requests to the outside world on port ...
2
votes
3answers
869 views

How to evaluate environment remote variables in SCP?

Is there a way to have environment variables on a remote host evaluated when using SCP? For instance, let's say I have $FOO= /mydir on host A; how would I do something like: scp ...
1
vote
1answer
65 views

I changed my system path in system variables, how can I bring it back to what it was?

I've been trying to unlock my htc device's bootloader and I couldn't get a fastboot command from the cmd to work. I had tried everything and eventually I found this site which said that I just have to ...
0
votes
0answers
37 views

Centos server change environment PWD

I've a Centos Linux 6.5 server. If in the root (/home/wwwuser/) of this server I execute phpinfo.php, I notice that under "environment" PWD is set to /home/wwwuser/test/. I tried to rename that folder ...
0
votes
1answer
86 views

Windows open command window here doesn't load env. variables

In windows if I right click and select "Open command window here" in a particular folder it works exactly the same way as "Open terminal here" works in Linux. It was working find until I installed a ...
4
votes
4answers
4k views

Add a directory and all subdirectories to the PATH variable with a single entry

I've got a directory in my home folder in which I place command-line software (CMD_Software). I put each piece of software in its own directory within CMD_Software in order to avoid clutter. I would ...
1
vote
4answers
2k views

Win7: messed up system - set too long path variable

I just messed up my Windows 7 Enterprise 64-bit. I tried to install CMake - and during installation i got an error saying something like it can't set the path variable, because it is too long (I ...
0
votes
0answers
41 views

Server 2012 R2 Folder Redirection via Enviroment Variable

Is it possible to redirect documents using enviroment variables in server 2012 r2? For example, I have an application that is writing files to ...
0
votes
1answer
63 views

How to create a shortcut in the launcher with specific enironment variable?

I want to start emacs with LANG environment variable set to en_US.UTF-8, and I don't want to affect other programs. In terminal, it could be realized using LANG=en_US.UTF-8 emacs. Then I created a ...
64
votes
1answer
51k views

How to reload /etc/environment without rebooting?

/etc/environment is officially the correct place for system wide environment variables. But how can I reload the assignments in this file without rebooting or relogging? Interestingly enough google ...
0
votes
0answers
33 views

environment variable in registry on windows 7 x64

Im playing around with this guide for creating a default profile on Win7 and can't seem to get it working correcting: ...
0
votes
0answers
16 views

Enviroment modules for Windows?

I am starting to learn how to use modules (http://modules.sourceforge.net/) on a hpc server and I like this very clean solution. Is there any tool like modules for windows? I am just interested of ...
1
vote
1answer
44 views

Grep fails to find sequence after assign to variable

I run: awk -F ',' '{print $2}' data.dat | sort | uniq | tr '\n' ',' | grep "*)>nS4XkrlH @XUL" and the sequence is located in results. Then I run b=`awk -F ',' '{print $2}' data.dat | sort | ...
-1
votes
1answer
46 views

Wrong environment Settings invoked in Commands

Getting wrong and extra pathnames in error messages using "For /D", "dir" and "if exist" commands when running the non-Powershell batch code to elevate UAC privileges code here. This has been noted at ...
4
votes
1answer
114 views

Using a system variable with spaces without truncating prematurely

I need to do something similar to this: dir > %USERNAME%.txt But what I get is that if the filename has a SPACE(" ") in it, then the name is cut there. I know that if I do this: set ...
1
vote
3answers
977 views

How to set the arithmetic precision in “set” batch files variables?

How do I set a precision to the SET arithmetic operation on divisions? eg. SET /A t=3/4 But that gives result as '0' and not '0.75' ( I want at least 2 decimal places ) Or is there any other ...
9
votes
1answer
4k views

Why unload variables in Windows batch files

Is it considered necessary or good practice to unload variables used in Windows batch files? For example in the following code, is the set myFolder= at the end necessary? @echo off set ...
1
vote
1answer
4k views

Path variables from system restore point, Windows 7 64-bit

Reading the answer here I don't understand this 'little button' to right of open. Navigate to your C:\Windows\System32\config\RegBack, click the little button to the right of "Open" for "Show ...
0
votes
2answers
455 views

IF statements in batch files

I am currently using Cruise Control to schedule 'builds' for various internal websites. I use batch files to kick off each of these 'builds' (build meaning a specific webhelp output). Let's say ...
-1
votes
1answer
41 views

I don't see 'path' under environment vaariables

I am trying to set path for Python but I have no 'path' under environment variables. Below is a link for the original issue as well a screen shot. How can I fix this?
0
votes
0answers
29 views

Batch conditions and variable

I have a question about variable and batch windows. The main goal is : I have files in directory (pattern 0? with ? a number between 0 and 9). First I create a %%nf.bat (filename of each files) ...
0
votes
1answer
100 views

Java runtime environment path issues

I've had a problem with my Java installations for quite some time and I've never had time to sit and try to fix this problem. So I went ahead and uninstalled all the various versions of Java I'd ...
1
vote
2answers
2k views

Strange Windows Errors

I run Windows 7 and I've been getting strange errors from different applications, for example attempting to uninstall VMware Workstation causes the following error: "Error in the lua script: [string ...
13
votes
13answers
47k views

Windows command-line: create a file with the current date in its name

I'm trying to create a zip file from a batch script. I need it to be named like archive_.zip Unfortunately, this doesn't work on systems with the date formatted like y/m/d because of the slashes: ...
2
votes
2answers
73 views

Store command output in variable

If I do z='ls' and then echo $z it will print the directory I listed, but without newlines or formatting. I assume lack of colored formatting is impossible to get around, but would it be possible to ...
0
votes
1answer
45 views

Where do the variables of a new BASH shell come from?

I am puzzled as about how environment variables work. From what I am aware, for a new process to have some environment variables, its parent must have issued export. But what about all the variables ...
1
vote
1answer
27 views

Are User-specific environment variables in Windows 7 stored locally or in the profile

I have some libraries like Qt and OpenCV which are installed locally on several machines. The environment variables such as QTDIR and QMAKESPEC are user environment variables. Will these be stored ...
3
votes
4answers
266 views

Why is it bad to add '.' to PATH?

I've read one explanation saying it can allow malicious executables that are in the cwd to run in place of similarly named built-ins and core utilities. For something to wreak true havoc, wouldn't ...
2
votes
0answers
48 views

Apache2 SetEnv For Multiple VirtualHosts

I am looking to use a single declaration of a SetEnv var in my apache2.conf file & have that variable used by all the virtualhosts I currently have virtualhost-specific vars set up, but would ...
0
votes
1answer
1k views

Environment Variable ORACLE_UNQNAME not defined

I'm trying to install Oracle 11gR2 Entreprise Edition but during database creation, I got this Error : Environment Variable ORACLE_UNQNAME not defined And when I tried to lunch 'emctl.bat' From ...
1
vote
1answer
47 views

Effect of Windows environment variables (especially OMP_NUM_THREADS)

Does setting OMP_NUM_THREADS=1 in the global environment variables (via Control Panel -> Sytem -> Environment variables) affect only programs run from the command prompt or all programs?