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Standalone, language agnostic dotenv

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gyf304/dotenv

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Prefix any command with dotenv to load environment variables from a
file named .env in the current directory.

dotenv sh -c 'echo $MY_VAR'

Alternatively put dotenv in the shebang line of a script to
automatically load environment variables.

#!/usr/bin/env -S dotenv bash
echo $MY_VAR

dotenv is a tiny, self-contained utility.

This README file contains the installation instructions and the
manpage for the dotenv utility.

INSTALL

 

dotenv can be installed on a Unix-like system with a C compiler and
make installed by running the following commands:

make
sudo make install

This will install the dotenv binary to /usr/local/bin, and the
manpage to /usr/local/share/man/man1.

DOTENV(1) - General Commands Manual

NAME

 

dotenv - load environment variables from a file

SYNOPSIS

 

dotenv program ...

DESCRIPTION

 

The dotenv utility reads a file (by default .env in the current
directory) and loads the environment variables from it. It then
executes the specified program with the loaded environment variables.
If no dotenv file is found, it will execute the program with the
current environment.

ENVIRONMENT VARIABLES

 

DOTENV_PATH

    The path to the dotenv file. If not set, the default path is .env
    in the current directory.

DOTENV_CONFIG_PATH

    Same as DOTENV_PATH for compatibility with the original nodejs
    dotenv implementation.

EXAMPLES

 

Run the env(1) command with the environment variables loaded from the
.env file in the current directory:

$ dotenv env

Same as above but with a custom dotenv file path:

$ DOTENV_PATH=.env2 dotenv env

Use dotenv in the shebang line of a script:

#!/usr/bin/env -S dotenv bash
echo $MY_VAR

FILE FORMAT

 

The file format is a list of key-value pairs, one per line. The key
and value are separated by an equal sign. Whitespaces around keys and
values are ignored. A line is terminated by a newline character or a
carriage return. Comments can be added using a hash sign (#) either
at the start of a line or inline. For values that contain a hash
sign, the value must be quoted. Values can be optionally quoted with
single or double quotes. If quoted, the following escape sequences
are supported:

\n

    A newline.

\r

    A carriage return.

\t

    A tab.

\'

    A single quote.

\"

    A double quote.

\\

    A backslash.

SEE ALSO

 

env(1)

AUTHORS

 

Yifan Gu <me@yifangu.com>

Unknown OS - April 28, 2024

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Standalone, language agnostic dotenv

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