🗜 Clamp — Replace environment variables in any file using go template syntax

Clamp is a useful tool to help to replace environment variables in any file using go template syntax.

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📘 Help

How to use from pipe

Locally:

echo "{{ .USER }}" | clamp
# JulienBreux

From Docker:

echo "{{ .USER }}" | docker run -i -e USER=$USER --rm --name clamp julienbreux/clamp:latest
# JulienBreux

How to use from file

Locally:

echo "{{ .HOME }}" > home.txt
clamp home.txt
# /Users/julienbreux

From Docker:

echo "{{ .HOME }}" > home.txt
docker run \
    -i \
    -e HOME=$HOME \
    --rm \
    --name clamp \
    -v $PWD/home.txt:/home.txt \
    julienbreux/clamp:latest \
    home.txt
# /Users/julienbreux

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🔧 Installation

Clamp is available on Linux, OSX and Windows platforms.

• Binaries for Mac OS, Linux and Windows are available as tarballs in the release page.

• Via Homebrew (Mac OS) or LinuxBrew (Linux)

  brew tap JulienBreux/clamp
  brew install clamp

• Building from source Clamp was built using go 1.12 or above. In order to build Clamp from source you must:

  1. Clone this repository

  2. Add the following command in your go.mod file

     replace (
       github.com/JulienBreux/clamp => CLONED_GIT_REPOSITORY
     )
     

  3. Build and run the executable

     go run main.go

  4. Use it

     ./clamp

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📮 Contact Info

1. Email: julien.breux@gmail.com
2. GitHub: @JulienBreux
3. Twitter: @JulienBreux

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👮‍♂️ Security info

GPG Signature

You can download Julien Breux's public key to verify the signature.

gpg --keyserver hkps://hkps.pool.sks-keyservers.net --recv-keys 0BD023FA