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Questions tagged [env]

221 questions
187
votes
8 answers

Dockerfile - set ENV to result of command

Is it possible to set a docker ENV variable to the result of a command? Like: ENV MY_VAR whoami i want MY_VAR to get the value "root" or whatever whoami returns
Sultanen
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165
votes
11 answers

How do I keep track of pip-installed packages in an Anaconda (Conda) environment?

I've installed and have been using the Anaconda Python distribution, and I have started using the Anaconda (Conda) environment. I can use the standard conda install... command to put packages from the distribution into my environments, but to use…
gromiczek
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120
votes
6 answers

Defining an array as an environment variable in node.js

I have an array that I pull data from. festivals = ['bonnaroo', 'lollapalooza', 'coachella'] Since I'm using heroku, it may be better to replace it with an environment variable, but I'm not sure how to do that. Is using a JSON string as an…
paranoidhominid
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95
votes
10 answers

How do I find the name of the conda environment in which my code is running?

I'm looking for a good way to figure out the name of the conda environment I'm in from within running code or an interactive python instance. The use-case is that I am running Jupyter notebooks with both Python 2 and Python 3 kernels from a…
Alnilam
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67
votes
7 answers

env: python\r: No such file or directory

My Python script beak contains the following shebang: #!/usr/bin/env python When I run the script $ ./beak, I get env: python\r: No such file or directory I previously pulled this script from a repository. What could be the reason for this?
Niklas R
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59
votes
6 answers

Mac OS: /usr/bin/env: bad interpreter: Operation not permitted

I'm trying to run this script on Mac OS 10.7 (Lion) and I'm getting the error: $ bbcolors -bash: /usr/local/bin/bbcolors: /usr/bin/env: bad interpreter: Operation not permitted I've successfully run this script on other Macs of mine. It's just this…
Nick
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50
votes
4 answers

rails 3, how use an ENV config vars in a Settings.yml file?

In my settings.yml file I have several config vars, some of which reference ENV[] variables. for example I have ENV['FOOVAR'] equals WIDGET I thought I could reference ENV vars inside <% %> like this: Settings.yml: default: cv1: Foo cv2: <%…
jpw
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40
votes
10 answers

Use different PHP version CLI executable for one command

So I have Gentoo box with three PHP versions installed (nevermind the reasons): /usr/bin/php -> /usr/lib64/php5.4/bin/php /usr/bin/php5.5 -> /usr/lib64/php5.5/bin/php /usr/bin/php5.6 -> /usr/lib64/php5.4/bin/php I want to install Laravel framework…
roomcays
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35
votes
13 answers

Laravel 5 - env local debug true no errors shown

I'm trying to enable the debug for my app but it looks like I don't have any feedback. The environment is set to local (in the .env file) and if I run php artisan env I get this Current application environment: local The debug config for my local…
peppeocchi
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30
votes
3 answers

How do I see the ENV vars in a Rails app?

I am taking over an old Rails app. No one has touched it in a year. The last developer left in April of 2015 and I have no way to contact him. I do have ssh access to the server, and I have access to the Github repo. I don't know any of the…
lorm
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24
votes
4 answers

.ENV file is visible

I am using Laravel 5.1 I recently uploaded my project in shared hosting. but when i browse http://siteAddress.com/local/.env my .env file is visible. Is there any way to hide this file or redirect people if they want browse the site with folder…
smartrahat
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24
votes
4 answers

Shell script shebang for unknown path

Is it possible to specify a shebang line without knowing the path of the program you want to do the executing? maybe don't specify the path #!node or specify several options #!/usr/local/bin/node #!/usr/bin/node Extra points for cross platform…
Billy Moon
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19
votes
2 answers

Setting variables with spaces within .env

I have a .env file with a bunch of variables and I just came across an error. One of the variables has spaces. TEST="hello world" So when I run this, learned about in this answer here. env $(<.env) I get this error. env: world"': No such file or…
ThomasReggi
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17
votes
4 answers

What's the difference of using #!/usr/bin/env or #!/bin/env in shebang?

Will there be any difference or it's just a personal choice?
Cheng
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16
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4 answers

How to get environment of a variable in R

I was wondering if there is anyway to get the environment of a declared variable. Say I already have declared a variable to an environment and want to use that variable's environment to declare a few more variables. Something like getEnv("variable")
Avinash
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