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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Path Variable (for tex) Replaced

While installing gcc compiler, I realized I mistakenly replaced path variable for latex editor with path variable for gcc compiler. I have windows 8 and texstudio. what could be possible path variable ...
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55 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 ...
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111 views

env -i zsh | How is this magic possible?

I'm currently working, for school, on a home-made shell, therefore I'm kind of curious nowadays about how shell vars are set. Yes, this can be really exciting ! Anyway, we obviously have to deal with ...
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52 views

Exporting Variables – Reading Them Returns Blank?

Hi – I'm using Mac OS X (Mavericks), which should be UNIX compliant. In my .bash_login, I'm exporting variables for Cocos2D-X. I know this is executing, as I have a 'echo Test' line that executes ...
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Ubuntu: `env -i bash --norc`, but include essential variables such as HOME, DISPLAY? (where are these set?)

Is there an easy way to isolate a session of bash so that only essential variables (HOME, USER, DISPLAY, etc.) are preserved? (essential in that many programs fail if HOME, DISPLAY, TERM, SHELL, etc. ...
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55 views

ifs environment variable is not inherited

In Unix the IFS variable was often used to subvert system integrity. How it was fixed? The only answer I found is in wikipedia page http://en.wikipedia.org/wiki/Internal_field_separator which says: ...
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125 views

windows env variables not resolving

I have the following env variables: VIM_HOME: %ProgramFiles(x86)%\Vim\vim74 CMD: %USERPROFILE%\cmd PATH: ...%CMD%;%VIM_HOME%;... C:\Users\me\cmd\vim.bat @echo off start vim.exe %* Prompt: > ...
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TEMP vs TMP in Environment Variables

Is it right to have these two environment variables TEMP and TMP? If I make changes to one should I make the same changes to the other? For example I was installing cygwin and the directions told me ...
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1answer
348 views

ZSH: Where to place environment variable so that launched application can pick it up?

I need an environment variable KEY="value" made available to a GUI application before starting it. The launcher file (the one that places the icon on the desktop and sidebar in Ubuntu) has a value of ...
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48 views

how to set up an environment variable that it stores a path along with another env variable but doesnt expands

I want to know how to set up an environment variable that stores other environment variable but these environment variables doesn't gets expanded when I echo instead if I use eval echo then it should ...
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2answers
956 views

Is it safe to store critical passwords in server environment variables?

I have a cluster of servers, each with configuration files that currently contain plain-text passwords for sensitive, mission-critical systems (message queues, data stores, and other services). Some ...
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1answer
60 views

How to redirect a custom environment variable to Window's %HOMEPATH%

On Linux, you can obtain the path of the home directoy via HOME, in Windows via HOMEPATH. I'd like to create a custom environment variable in Windows called HOME that "redirects" to HOMEPATH. The ...
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50 views

%PATH% in Explorer bar causes error

When I type "%PATH%" in the address bar of Explorer, I get the error "Windows can't find ...
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22 views

How can I set temporary environment for explorer (renewed) [duplicate]

On windows 8.1 command prompt (cmd.exe) I can change environment variables, i.e. path. When I then start an explorer instance, that instance takes the default (its parents?) environment, not the one ...
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560 views

Set environment variable containing at symbol

I would like to set an environment variable containing the URL of my proxy server with my credentials, as in this blog post. The problem I'm having is that my password contains an at symbol and I am ...
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4answers
101 views

Stacking Windows environment variables

Is it possible to "stack" Windows environment variables such as, "RUBY_PATH" = "C\ruby\bin" "PYTHON_PATH" = "C:\python332" "PROGRAMMING_PATH" = "%RUBY_PATH%;%PYTHON_PATH%" "Path" = ...
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1answer
161 views

Is the Windows 8 path variable supposed to be this long?

I have Windows 8 and my Path variable seems like it's way longer than it's supposed to be (I'm just starting to figure environment variables and stuff out, and trying to change my Path so that I can ...
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1answer
170 views

Modify persistent variables on a remote server host using 'ssh' from client host

As the title says, I want to modify environment variables on a remote server using 'ssh'. My first attempt was: $ ssh mysvr -l sikaiwei "getId=$ORANGE; echo $ORANGE; ORANGE=$((ORANGE+1)); echo ...
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377 views

PowerShell: Env: Avoid truncation of environment variables

PowerShell displays environment variables, one line for each. If a variable has a long enough value, it is truncated, and appended an ellipsis: > gci env: Name Value ...
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1answer
441 views

Meaning of LC_IDENTIFICATION environment variable

Just out of curiosity, what is the meaning of LC_IDENTIFICATION? The reason I am asking is, that a fresh US-English installation of Linux Mint (I guess Ubuntu would be the same), located in ...
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1answer
71 views

Windows 8 Enterprise Fail to boot after environment variable setting

I have some problem with my PC after using windows 8 enterprise edition. I use my PC for web development work. So for using PHP framework i need to set the environment variables, in my case i set to ...
2
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1answer
83 views

Export bash function over SSH

I would like to export a bash function over ssh to use it in GNU parallel. That question seems to be answered here Exporting bash functions through ssh but I don't seem to be able to get it to work. ...
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81 views

Driving me crazy. SETX /?

Rosalee is no longer a user, but her name remains %everywhere% I am thinking export registry and find/replace all Rosalee's or trying to use setx, but I cannot figure out the syntax for setx. ...
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9k views

How can I set environment variables for GUI apps in OS X Mavericks?

I've been struggling to get an app to run in OS X Mavericks. I finally was able to get it to run by drilling into the .app bundle and running the shell script directly. It seems that JAVA_HOME needed ...
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1answer
365 views

How to generically refer to the AppData folder on the Windows command line?

The original User's Profile directory lives in a directory like C:\Users\username\AppData. How can I refer to the current user's profile directory when using the Windows command line? By searching I ...
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1answer
484 views

environment variable for hkey_users/software

Many of my software configurations are stored in theHKEY_USERS\S-1-5-21-2715202203-4090495733-1863141328-1000\Software reg-folder. For developing Portable apps, I want to know the environment variable ...
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775 views

how to access variables that are set in a different windows batch file?

i have a windows batch file - called fileA.bat, which contains a variable set in it. Sample code of fileA.bat: set fileA_username=michael now i have another batch file, called fileB.bat, which ...
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2answers
1k views

Apple Mavericks - why doesn't this one-line BASH script set my Python virtual environment like I expect?

I have the following Bash script: #!/bin/bash echo $MYPROJECT_HOME/bin/myproject_venv/bin/activate source $MYPROJECT_HOME/bin/myproject_venv/bin/activate echo ...
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92 views

how to reset the system after accidently deleting the environment variables

I have deleted the paths under the advance system settings>environment variables>system variables in windows vista and since then options like, advance system settings, device manager and many others ...
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2answers
576 views

Go-lang go tool works with Bash but not Fish

For those of you who have no idea what Fish is: http://fishshell.com/ Similarly, if you are not familiar with a Go coding environment and still wish to try and figure out this small puzzle, here is ...
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2answers
5k views

I overwrote my environment variable PATH

I've accidentally overwritten the environment variable PATH in Windows 8 (64 bit). How can I reset it? I'm scared to shut down the PC before fixing this problem. Otherwise I might copy it from ...
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2answers
140 views

Reclaim home directory

The home directory is where a user is supposed to keep their personal files, for example documents and music. On my computer this is C:\Users\Steven also known as the %USERPROFILE% variable. The ...
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1answer
194 views

Understanding the scope and lifetime of environment variables in shell scripting

I'm pulling my hair out trying to understand shell scripting and passing environment variables, and what not. I'm trying to execute a PHP script from TextWrangler, that in it's turn opens a new PHP ...
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1answer
2k views

how to properly set environment variables

I've recently started using Windows (having used Ubuntu up until now) and I find myself unable to properly set environment variables. Whenever I set them they don't seem to work. I've been going to ...
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1answer
139 views

Cygwin messes up Windows PATH

I installed Cygwin and uninstalled it after some time on a Windows 7 machine. But, the PATH variable directories naming is not correct now. Could some one tell me how do I correct this? Log below - ...
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4answers
172 views

Mac OS X keeps “old” environment variable around

So far I had /Applications/play-1.2.5/ added to my $PATH variable. Now I'm working with 2.2.1, which I installed in /Applications/play-2.2.1 and changed in ~/.bash_profile (which is getting sourced at ...
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2answers
322 views

Unable to get ls to recognise LS_OPTIONS or LS_COLORS?

Trying to get --color=auto as the default ls argument. $ ls --version ls (GNU coreutils) 8.21 … $ echo $LS_COLORS ...
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1answer
348 views

Why doesn't environment variable get updated in cmd without restart?

CMD commands: setx SOMEVARIABLE "newpath" /M setx SOMEVARIABLE "%SOMEVARIABLE%;newpath2" /M Expected output on ECHO %SOMEVARIABLE%: newpath;newpath2 Actual output: %SOMEVARIABLE% Actual value ...
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2answers
1k views

Command prompt cannot find PATH variable

Sometimes, my command prompt cannot find the PATH variable. I have this occasional problem at work where when I open command-prompt and run commands like ipconfig or subst, I get an error saying ...
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1answer
21 views

Get the user name or host name of a connecting ssh user

I would like to get the user name or host name of a connecting ssh user to exec some functions in the .bashrc. # pseudo code if (ssh && connecting_ssh_username == "foobar") { do something ...
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3answers
1k views

How to keep variable preserve while running script through ssh

I am trying to run while loop with read through ssh: #!/bin/bash ssh root@10.10.10.10 "cat /var/log/syncer/rm_filesystem.log | while read path; do stat -c \"%Y %n\" "$path" >> ...
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votes
2answers
2k views

What is the difference betwen /etc/environment and /etc/profile?

I understand that the former is used prior to the latter, but what is the conceptual difference? Is there any good reasons I should set some variables in one and not in other? Except the fact that ...
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53 views

What''s the “earliest” place one can set an environment variable during Linux boot process?

I know I can set a variable in a shell startup file, but the thing is, I am trying to set up a POSIX-compatible environment, and a POSIX shell does not parse any startup files other than the one ...
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2answers
173 views

How put path changing .bat file inside %PATH%?

I have a problem described here (you can read it for better understanding). I need to write .bat file that change path. For example: While sending a command in cmd: cd ~ I want to go to %HOMEPATH%. ...
4
votes
1answer
69 views

When should you set PATH variables in “User variables” vs. “System variables”?

On a single-user system (Windows 7), does it matter whether you set PATH variables in User-variables or System-variables? Why choose one over the other?
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1answer
2k views

Why does subshell not inherit exported variable (PS1)?

I am using startx to start the graphical environment. I have a very simple .xinitrc which I will add things to as I set up the environment, but for now it is as follows: catwm & # Just a basic ...
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25 views

Has anyone gone through relocating the %ProgramFiles% directory, and can comment on the process / pro/con's?

There are many questions on this SE subsite that ask if it is possible/how. I have commented on some of them that suggest changing the HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\ProgramFilesDir ...
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2answers
77 views

Win7 Path not being recongized

I have this path PATH=%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\;c:\Program Files\Microsoft SQL Server\90\Tools\binn\;c:\Program ...
3
votes
1answer
367 views

Powershell systemroot in $env:path different when AC elevated

I have a strange behavior with the environment variables at my Windows XP SP3. When I logon as Administrator, the %SystemRoot% strings in PATH are substituted to C:\WINDOWS, the value of the variable ...